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Finding the Fourth Proportional to 102,601.60, 153,902.40 and 58,364.80

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Solution

The fourth proportional to 102,601.60, 153,902.40 and 58,364.80 is: 87,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,601.60 : 153,902.40 = 58,364.80 : x
  2. Step 2: Convert to fraction form
    102,601.60/153,902.40 = 58,364.80/x
  3. Step 3: Cross multiply
    102,601.60x = 153,902.40 × 58,364.80
  4. Step 4: Simplify right side
    102,601.60x = 8,982,482,795.52
  5. Step 5: Solve for x
    x = 8,982,482,795.52/102,601.60
  6. Step 6: Final answer
    x = 87,547.20

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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.