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Finding the Fourth Proportional to 42,286,368.60, 59,073,370.20 and 42,286,368.60

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Solution

The fourth proportional to 42,286,368.60, 59,073,370.20 and 42,286,368.60 is: 59,073,370.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,286,368.60 : 59,073,370.20 = 42,286,368.60 : x
  2. Step 2: Convert to fraction form
    42,286,368.60/59,073,370.20 = 42,286,368.60/x
  3. Step 3: Cross multiply
    42,286,368.60x = 59,073,370.20 × 42,286,368.60
  4. Step 4: Simplify right side
    42,286,368.60x = 2,497,998,306,721,456
  5. Step 5: Solve for x
    x = 2,497,998,306,721,456/42,286,368.60
  6. Step 6: Final answer
    x = 59,073,370.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.