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Finding the Fourth Proportional to 162,368.67, 243,490.73 and 55,732.76

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Solution

The fourth proportional to 162,368.67, 243,490.73 and 55,732.76 is: 83,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,368.67 : 243,490.73 = 55,732.76 : x
  2. Step 2: Convert to fraction form
    162,368.67/243,490.73 = 55,732.76/x
  3. Step 3: Cross multiply
    162,368.67x = 243,490.73 × 55,732.76
  4. Step 4: Simplify right side
    162,368.67x = 13,570,409,834.29
  5. Step 5: Solve for x
    x = 13,570,409,834.29/162,368.67
  6. Step 6: Final answer
    x = 83,577.76

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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.