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Finding the Fourth Proportional to 58,719,686.80, 88,079,530.20 and 58,719,686.80

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Solution

The fourth proportional to 58,719,686.80, 88,079,530.20 and 58,719,686.80 is: 88,079,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,719,686.80 : 88,079,530.20 = 58,719,686.80 : x
  2. Step 2: Convert to fraction form
    58,719,686.80/88,079,530.20 = 58,719,686.80/x
  3. Step 3: Cross multiply
    58,719,686.80x = 88,079,530.20 × 58,719,686.80
  4. Step 4: Simplify right side
    58,719,686.80x = 5,172,002,426,835,141
  5. Step 5: Solve for x
    x = 5,172,002,426,835,141/58,719,686.80
  6. Step 6: Final answer
    x = 88,079,530.20

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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.