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Finding the Fourth Proportional to 160,010.64, 220,841.64 and 92,981.52

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Solution

The fourth proportional to 160,010.64, 220,841.64 and 92,981.52 is: 128,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,010.64 : 220,841.64 = 92,981.52 : x
  2. Step 2: Convert to fraction form
    160,010.64/220,841.64 = 92,981.52/x
  3. Step 3: Cross multiply
    160,010.64x = 220,841.64 × 92,981.52
  4. Step 4: Simplify right side
    160,010.64x = 20,534,191,366.49
  5. Step 5: Solve for x
    x = 20,534,191,366.49/160,010.64
  6. Step 6: Final answer
    x = 128,330.16

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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.