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Finding the Fourth Proportional to 88,710.60, 133,130.70 and 59,118.60

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Solution

The fourth proportional to 88,710.60, 133,130.70 and 59,118.60 is: 88,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,710.60 : 133,130.70 = 59,118.60 : x
  2. Step 2: Convert to fraction form
    88,710.60/133,130.70 = 59,118.60/x
  3. Step 3: Cross multiply
    88,710.60x = 133,130.70 × 59,118.60
  4. Step 4: Simplify right side
    88,710.60x = 7,870,500,601.02
  5. Step 5: Solve for x
    x = 7,870,500,601.02/88,710.60
  6. Step 6: Final answer
    x = 88,721.08

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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.