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Finding the Fourth Proportional to 88,706,079.80, 133,059,119.70 and 31,197,894.20

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Solution

The fourth proportional to 88,706,079.80, 133,059,119.70 and 31,197,894.20 is: 46,796,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706,079.80 : 133,059,119.70 = 31,197,894.20 : x
  2. Step 2: Convert to fraction form
    88,706,079.80/133,059,119.70 = 31,197,894.20/x
  3. Step 3: Cross multiply
    88,706,079.80x = 133,059,119.70 × 31,197,894.20
  4. Step 4: Simplify right side
    88,706,079.80x = 4,151,164,338,745,735.50
  5. Step 5: Solve for x
    x = 4,151,164,338,745,735.50/88,706,079.80
  6. Step 6: Final answer
    x = 46,796,841.30

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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.