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Finding the Fourth Proportional to 98,277.70, 135,708.29 and 93,233.12

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Solution

The fourth proportional to 98,277.70, 135,708.29 and 93,233.12 is: 128,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,277.70 : 135,708.29 = 93,233.12 : x
  2. Step 2: Convert to fraction form
    98,277.70/135,708.29 = 93,233.12/x
  3. Step 3: Cross multiply
    98,277.70x = 135,708.29 × 93,233.12
  4. Step 4: Simplify right side
    98,277.70x = 12,652,506,141.86
  5. Step 5: Solve for x
    x = 12,652,506,141.86/98,277.70
  6. Step 6: Final answer
    x = 128,742.39

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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.