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Finding the Fourth Proportional to 158,597,821.92, 237,891,498.12 and 65,221,561.92

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Solution

The fourth proportional to 158,597,821.92, 237,891,498.12 and 65,221,561.92 is: 97,830,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,597,821.92 : 237,891,498.12 = 65,221,561.92 : x
  2. Step 2: Convert to fraction form
    158,597,821.92/237,891,498.12 = 65,221,561.92/x
  3. Step 3: Cross multiply
    158,597,821.92x = 237,891,498.12 × 65,221,561.92
  4. Step 4: Simplify right side
    158,597,821.92x = 15,515,655,074,875,144
  5. Step 5: Solve for x
    x = 15,515,655,074,875,144/158,597,821.92
  6. Step 6: Final answer
    x = 97,830,190.14

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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.