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Finding the Fourth Proportional to 104,480.48, 144,258.12 and 64,248.32

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Solution

The fourth proportional to 104,480.48, 144,258.12 and 64,248.32 is: 88,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,480.48 : 144,258.12 = 64,248.32 : x
  2. Step 2: Convert to fraction form
    104,480.48/144,258.12 = 64,248.32/x
  3. Step 3: Cross multiply
    104,480.48x = 144,258.12 × 64,248.32
  4. Step 4: Simplify right side
    104,480.48x = 9,268,341,856.36
  5. Step 5: Solve for x
    x = 9,268,341,856.36/104,480.48
  6. Step 6: Final answer
    x = 88,708.84

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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.