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Finding the Fourth Proportional to 113,498.70, 170,248.05 and 104,969.40

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Solution

The fourth proportional to 113,498.70, 170,248.05 and 104,969.40 is: 157,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,498.70 : 170,248.05 = 104,969.40 : x
  2. Step 2: Convert to fraction form
    113,498.70/170,248.05 = 104,969.40/x
  3. Step 3: Cross multiply
    113,498.70x = 170,248.05 × 104,969.40
  4. Step 4: Simplify right side
    113,498.70x = 17,870,835,659.67
  5. Step 5: Solve for x
    x = 17,870,835,659.67/113,498.70
  6. Step 6: Final answer
    x = 157,454.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.