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Finding the Fourth Proportional to 162,577.66, 243,805.88 and 55,931.80

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Solution

The fourth proportional to 162,577.66, 243,805.88 and 55,931.80 is: 83,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,577.66 : 243,805.88 = 55,931.80 : x
  2. Step 2: Convert to fraction form
    162,577.66/243,805.88 = 55,931.80/x
  3. Step 3: Cross multiply
    162,577.66x = 243,805.88 × 55,931.80
  4. Step 4: Simplify right side
    162,577.66x = 13,636,501,718.98
  5. Step 5: Solve for x
    x = 13,636,501,718.98/162,577.66
  6. Step 6: Final answer
    x = 83,876.85

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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.