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Finding the Fourth Proportional to 162,382.60, 243,612.30 and 51,574.60

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Solution

The fourth proportional to 162,382.60, 243,612.30 and 51,574.60 is: 77,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,382.60 : 243,612.30 = 51,574.60 : x
  2. Step 2: Convert to fraction form
    162,382.60/243,612.30 = 51,574.60/x
  3. Step 3: Cross multiply
    162,382.60x = 243,612.30 × 51,574.60
  4. Step 4: Simplify right side
    162,382.60x = 12,564,206,927.58
  5. Step 5: Solve for x
    x = 12,564,206,927.58/162,382.60
  6. Step 6: Final answer
    x = 77,374.10

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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.