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Finding the Fourth Proportional to 71,084,417.40, 99,805,162.50 and 71,084,417.40

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Solution

The fourth proportional to 71,084,417.40, 99,805,162.50 and 71,084,417.40 is: 99,805,162.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,084,417.40 : 99,805,162.50 = 71,084,417.40 : x
  2. Step 2: Convert to fraction form
    71,084,417.40/99,805,162.50 = 71,084,417.40/x
  3. Step 3: Cross multiply
    71,084,417.40x = 99,805,162.50 × 71,084,417.40
  4. Step 4: Simplify right side
    71,084,417.40x = 7,094,591,829,824,828
  5. Step 5: Solve for x
    x = 7,094,591,829,824,828/71,084,417.40
  6. Step 6: Final answer
    x = 99,805,162.50

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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.