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Finding the Fourth Proportional to 103,068.60, 154,602.90 and 36,510.90

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Solution

The fourth proportional to 103,068.60, 154,602.90 and 36,510.90 is: 54,766.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,068.60 : 154,602.90 = 36,510.90 : x
  2. Step 2: Convert to fraction form
    103,068.60/154,602.90 = 36,510.90/x
  3. Step 3: Cross multiply
    103,068.60x = 154,602.90 × 36,510.90
  4. Step 4: Simplify right side
    103,068.60x = 5,644,691,021.61
  5. Step 5: Solve for x
    x = 5,644,691,021.61/103,068.60
  6. Step 6: Final answer
    x = 54,766.35

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Similar ratio
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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.