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Finding the Fourth Proportional to 180,233.95, 248,712.87 and 99,656.68

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Solution

The fourth proportional to 180,233.95, 248,712.87 and 99,656.68 is: 137,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,233.95 : 248,712.87 = 99,656.68 : x
  2. Step 2: Convert to fraction form
    180,233.95/248,712.87 = 99,656.68/x
  3. Step 3: Cross multiply
    180,233.95x = 248,712.87 × 99,656.68
  4. Step 4: Simplify right side
    180,233.95x = 24,785,898,897.47
  5. Step 5: Solve for x
    x = 24,785,898,897.47/180,233.95
  6. Step 6: Final answer
    x = 137,520.70

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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.