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Finding the Fourth Proportional to 160,366.47, 221,305.73 and 88,746.50

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Solution

The fourth proportional to 160,366.47, 221,305.73 and 88,746.50 is: 122,470.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,366.47 : 221,305.73 = 88,746.50 : x
  2. Step 2: Convert to fraction form
    160,366.47/221,305.73 = 88,746.50/x
  3. Step 3: Cross multiply
    160,366.47x = 221,305.73 × 88,746.50
  4. Step 4: Simplify right side
    160,366.47x = 19,640,108,207.52
  5. Step 5: Solve for x
    x = 19,640,108,207.52/160,366.47
  6. Step 6: Final answer
    x = 122,470.16

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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.