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Finding the Fourth Proportional to 159,777.61, 220,497.71 and 88,162.24

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Solution

The fourth proportional to 159,777.61, 220,497.71 and 88,162.24 is: 121,666.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,777.61 : 220,497.71 = 88,162.24 : x
  2. Step 2: Convert to fraction form
    159,777.61/220,497.71 = 88,162.24/x
  3. Step 3: Cross multiply
    159,777.61x = 220,497.71 × 88,162.24
  4. Step 4: Simplify right side
    159,777.61x = 19,439,572,038.94
  5. Step 5: Solve for x
    x = 19,439,572,038.94/159,777.61
  6. Step 6: Final answer
    x = 121,666.44

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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.