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Finding the Fourth Proportional to 64,101,903.90, 96,152,855.85 and 57,719,363.10

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Solution

The fourth proportional to 64,101,903.90, 96,152,855.85 and 57,719,363.10 is: 86,579,044.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,101,903.90 : 96,152,855.85 = 57,719,363.10 : x
  2. Step 2: Convert to fraction form
    64,101,903.90/96,152,855.85 = 57,719,363.10/x
  3. Step 3: Cross multiply
    64,101,903.90x = 96,152,855.85 × 57,719,363.10
  4. Step 4: Simplify right side
    64,101,903.90x = 5,549,881,599,908,109
  5. Step 5: Solve for x
    x = 5,549,881,599,908,109/64,101,903.90
  6. Step 6: Final answer
    x = 86,579,044.65

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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.