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Finding the Fourth Proportional to 106,209,345.60, 159,314,018.40 and 106,209,345.60

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Solution

The fourth proportional to 106,209,345.60, 159,314,018.40 and 106,209,345.60 is: 159,314,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,209,345.60 : 159,314,018.40 = 106,209,345.60 : x
  2. Step 2: Convert to fraction form
    106,209,345.60/159,314,018.40 = 106,209,345.60/x
  3. Step 3: Cross multiply
    106,209,345.60x = 159,314,018.40 × 106,209,345.60
  4. Step 4: Simplify right side
    106,209,345.60x = 16,920,637,639,170,358
  5. Step 5: Solve for x
    x = 16,920,637,639,170,358/106,209,345.60
  6. Step 6: Final answer
    x = 159,314,018.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.