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Finding the Fourth Proportional to 114,291.40, 170,951.10 and 102,530.20

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Solution

The fourth proportional to 114,291.40, 170,951.10 and 102,530.20 is: 153,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,291.40 : 170,951.10 = 102,530.20 : x
  2. Step 2: Convert to fraction form
    114,291.40/170,951.10 = 102,530.20/x
  3. Step 3: Cross multiply
    114,291.40x = 170,951.10 × 102,530.20
  4. Step 4: Simplify right side
    114,291.40x = 17,527,650,473.22
  5. Step 5: Solve for x
    x = 17,527,650,473.22/114,291.40
  6. Step 6: Final answer
    x = 153,359.31

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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.