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Finding the Fourth Proportional to 162,111,332.80, 223,706,920.80 and 88,771,211.20

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Solution

The fourth proportional to 162,111,332.80, 223,706,920.80 and 88,771,211.20 is: 122,500,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,111,332.80 : 223,706,920.80 = 88,771,211.20 : x
  2. Step 2: Convert to fraction form
    162,111,332.80/223,706,920.80 = 88,771,211.20/x
  3. Step 3: Cross multiply
    162,111,332.80x = 223,706,920.80 × 88,771,211.20
  4. Step 4: Simplify right side
    162,111,332.80x = 19,858,734,313,238,476
  5. Step 5: Solve for x
    x = 19,858,734,313,238,476/162,111,332.80
  6. Step 6: Final answer
    x = 122,500,592.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.