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Finding the Fourth Proportional to 169,798.12, 234,341.88 and 98,195.74

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Solution

The fourth proportional to 169,798.12, 234,341.88 and 98,195.74 is: 135,521.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,798.12 : 234,341.88 = 98,195.74 : x
  2. Step 2: Convert to fraction form
    169,798.12/234,341.88 = 98,195.74/x
  3. Step 3: Cross multiply
    169,798.12x = 234,341.88 × 98,195.74
  4. Step 4: Simplify right side
    169,798.12x = 23,011,374,319.59
  5. Step 5: Solve for x
    x = 23,011,374,319.59/169,798.12
  6. Step 6: Final answer
    x = 135,521.96

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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.