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Finding the Fourth Proportional to 160,543.69, 221,550.29 and 88,928.33

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Solution

The fourth proportional to 160,543.69, 221,550.29 and 88,928.33 is: 122,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,543.69 : 221,550.29 = 88,928.33 : x
  2. Step 2: Convert to fraction form
    160,543.69/221,550.29 = 88,928.33/x
  3. Step 3: Cross multiply
    160,543.69x = 221,550.29 × 88,928.33
  4. Step 4: Simplify right side
    160,543.69x = 19,702,097,328.02
  5. Step 5: Solve for x
    x = 19,702,097,328.02/160,543.69
  6. Step 6: Final answer
    x = 122,721.10

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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.