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Finding the Fourth Proportional to 157,033.60, 216,630.06 and 93,326.32

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Solution

The fourth proportional to 157,033.60, 216,630.06 and 93,326.32 is: 128,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,033.60 : 216,630.06 = 93,326.32 : x
  2. Step 2: Convert to fraction form
    157,033.60/216,630.06 = 93,326.32/x
  3. Step 3: Cross multiply
    157,033.60x = 216,630.06 × 93,326.32
  4. Step 4: Simplify right side
    157,033.60x = 20,217,286,301.18
  5. Step 5: Solve for x
    x = 20,217,286,301.18/157,033.60
  6. Step 6: Final answer
    x = 128,744.97

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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.