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Finding the Fourth Proportional to 159,675.52, 220,342.80 and 88,056.40

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Solution

The fourth proportional to 159,675.52, 220,342.80 and 88,056.40 is: 121,512.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,675.52 : 220,342.80 = 88,056.40 : x
  2. Step 2: Convert to fraction form
    159,675.52/220,342.80 = 88,056.40/x
  3. Step 3: Cross multiply
    159,675.52x = 220,342.80 × 88,056.40
  4. Step 4: Simplify right side
    159,675.52x = 19,402,593,733.92
  5. Step 5: Solve for x
    x = 19,402,593,733.92/159,675.52
  6. Step 6: Final answer
    x = 121,512.64

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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.