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Finding the Fourth Proportional to 89,061,662.40, 124,865,486.40 and 89,061,662.40

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Solution

The fourth proportional to 89,061,662.40, 124,865,486.40 and 89,061,662.40 is: 124,865,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,061,662.40 : 124,865,486.40 = 89,061,662.40 : x
  2. Step 2: Convert to fraction form
    89,061,662.40/124,865,486.40 = 89,061,662.40/x
  3. Step 3: Cross multiply
    89,061,662.40x = 124,865,486.40 × 89,061,662.40
  4. Step 4: Simplify right side
    89,061,662.40x = 11,120,727,795,168,592
  5. Step 5: Solve for x
    x = 11,120,727,795,168,592/89,061,662.40
  6. Step 6: Final answer
    x = 124,865,486.40

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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.