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Finding the Fourth Proportional to 156,765.60, 216,349.88 and 88,794.68

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Solution

The fourth proportional to 156,765.60, 216,349.88 and 88,794.68 is: 122,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,765.60 : 216,349.88 = 88,794.68 : x
  2. Step 2: Convert to fraction form
    156,765.60/216,349.88 = 88,794.68/x
  3. Step 3: Cross multiply
    156,765.60x = 216,349.88 × 88,794.68
  4. Step 4: Simplify right side
    156,765.60x = 19,210,718,362.64
  5. Step 5: Solve for x
    x = 19,210,718,362.64/156,765.60
  6. Step 6: Final answer
    x = 122,544.22

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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.