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Finding the Fourth Proportional to 176,488.96, 243,611.52 and 112,997.76

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Solution

The fourth proportional to 176,488.96, 243,611.52 and 112,997.76 is: 155,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,488.96 : 243,611.52 = 112,997.76 : x
  2. Step 2: Convert to fraction form
    176,488.96/243,611.52 = 112,997.76/x
  3. Step 3: Cross multiply
    176,488.96x = 243,611.52 × 112,997.76
  4. Step 4: Simplify right side
    176,488.96x = 27,527,556,070.20
  5. Step 5: Solve for x
    x = 27,527,556,070.20/176,488.96
  6. Step 6: Final answer
    x = 155,973.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.