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Finding the Fourth Proportional to 65,203,728.40, 97,805,592.60 and 60,276,854.80

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Solution

The fourth proportional to 65,203,728.40, 97,805,592.60 and 60,276,854.80 is: 90,415,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,203,728.40 : 97,805,592.60 = 60,276,854.80 : x
  2. Step 2: Convert to fraction form
    65,203,728.40/97,805,592.60 = 60,276,854.80/x
  3. Step 3: Cross multiply
    65,203,728.40x = 97,805,592.60 × 60,276,854.80
  4. Step 4: Simplify right side
    65,203,728.40x = 5,895,413,503,778,154
  5. Step 5: Solve for x
    x = 5,895,413,503,778,154/65,203,728.40
  6. Step 6: Final answer
    x = 90,415,282.20

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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.