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Finding the Fourth Proportional to 113,980.86, 170,818.45 and 88,710.89

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Solution

The fourth proportional to 113,980.86, 170,818.45 and 88,710.89 is: 132,947.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,980.86 : 170,818.45 = 88,710.89 : x
  2. Step 2: Convert to fraction form
    113,980.86/170,818.45 = 88,710.89/x
  3. Step 3: Cross multiply
    113,980.86x = 170,818.45 × 88,710.89
  4. Step 4: Simplify right side
    113,980.86x = 15,153,456,727.92
  5. Step 5: Solve for x
    x = 15,153,456,727.92/113,980.86
  6. Step 6: Final answer
    x = 132,947.38

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1.5x scale

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.