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Finding the Fourth Proportional to 64,473,969.60, 96,710,954.40 and 58,521,830.40

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Solution

The fourth proportional to 64,473,969.60, 96,710,954.40 and 58,521,830.40 is: 87,782,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,473,969.60 : 96,710,954.40 = 58,521,830.40 : x
  2. Step 2: Convert to fraction form
    64,473,969.60/96,710,954.40 = 58,521,830.40/x
  3. Step 3: Cross multiply
    64,473,969.60x = 96,710,954.40 × 58,521,830.40
  4. Step 4: Simplify right side
    64,473,969.60x = 5,659,702,071,218,934
  5. Step 5: Solve for x
    x = 5,659,702,071,218,934/64,473,969.60
  6. Step 6: Final answer
    x = 87,782,745.60

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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.