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Finding the Fourth Proportional to 65,283,593.80, 97,841,409.90 and 39,697,443.40

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Solution

The fourth proportional to 65,283,593.80, 97,841,409.90 and 39,697,443.40 is: 59,495,098.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,283,593.80 : 97,841,409.90 = 39,697,443.40 : x
  2. Step 2: Convert to fraction form
    65,283,593.80/97,841,409.90 = 39,697,443.40/x
  3. Step 3: Cross multiply
    65,283,593.80x = 97,841,409.90 × 39,697,443.40
  4. Step 4: Simplify right side
    65,283,593.80x = 3,884,053,831,681,450
  5. Step 5: Solve for x
    x = 3,884,053,831,681,450/65,283,593.80
  6. Step 6: Final answer
    x = 59,495,098.32

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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.