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Finding the Fourth Proportional to 64,447,809.80, 96,671,714.70 and 35,782,363.40

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Solution

The fourth proportional to 64,447,809.80, 96,671,714.70 and 35,782,363.40 is: 53,673,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,447,809.80 : 96,671,714.70 = 35,782,363.40 : x
  2. Step 2: Convert to fraction form
    64,447,809.80/96,671,714.70 = 35,782,363.40/x
  3. Step 3: Cross multiply
    64,447,809.80x = 96,671,714.70 × 35,782,363.40
  4. Step 4: Simplify right side
    64,447,809.80x = 3,459,142,425,896,522
  5. Step 5: Solve for x
    x = 3,459,142,425,896,522/64,447,809.80
  6. Step 6: Final answer
    x = 53,673,545.10

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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.