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Finding the Fourth Proportional to 156,677.01, 216,005.46 and 124,518.99

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Solution

The fourth proportional to 156,677.01, 216,005.46 and 124,518.99 is: 171,670.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,677.01 : 216,005.46 = 124,518.99 : x
  2. Step 2: Convert to fraction form
    156,677.01/216,005.46 = 124,518.99/x
  3. Step 3: Cross multiply
    156,677.01x = 216,005.46 × 124,518.99
  4. Step 4: Simplify right side
    156,677.01x = 26,896,781,713.69
  5. Step 5: Solve for x
    x = 26,896,781,713.69/156,677.01
  6. Step 6: Final answer
    x = 171,670.25

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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.