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Finding the Fourth Proportional to 160,036.16, 220,854.36 and 88,420.80

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Solution

The fourth proportional to 160,036.16, 220,854.36 and 88,420.80 is: 122,023.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,036.16 : 220,854.36 = 88,420.80 : x
  2. Step 2: Convert to fraction form
    160,036.16/220,854.36 = 88,420.80/x
  3. Step 3: Cross multiply
    160,036.16x = 220,854.36 × 88,420.80
  4. Step 4: Simplify right side
    160,036.16x = 19,528,119,194.69
  5. Step 5: Solve for x
    x = 19,528,119,194.69/160,036.16
  6. Step 6: Final answer
    x = 122,023.17

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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.