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Finding the Fourth Proportional to 159,688.60, 220,365.54 and 88,068.60

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Solution

The fourth proportional to 159,688.60, 220,365.54 and 88,068.60 is: 121,532.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,688.60 : 220,365.54 = 88,068.60 : x
  2. Step 2: Convert to fraction form
    159,688.60/220,365.54 = 88,068.60/x
  3. Step 3: Cross multiply
    159,688.60x = 220,365.54 × 88,068.60
  4. Step 4: Simplify right side
    159,688.60x = 19,407,284,596.04
  5. Step 5: Solve for x
    x = 19,407,284,596.04/159,688.60
  6. Step 6: Final answer
    x = 121,532.06

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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.