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Finding the Fourth Proportional to 187,455.76, 280,830.52 and 92,574.88

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Solution

The fourth proportional to 187,455.76, 280,830.52 and 92,574.88 is: 138,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,455.76 : 280,830.52 = 92,574.88 : x
  2. Step 2: Convert to fraction form
    187,455.76/280,830.52 = 92,574.88/x
  3. Step 3: Cross multiply
    187,455.76x = 280,830.52 × 92,574.88
  4. Step 4: Simplify right side
    187,455.76x = 25,997,851,689.34
  5. Step 5: Solve for x
    x = 25,997,851,689.34/187,455.76
  6. Step 6: Final answer
    x = 138,687.93

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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.