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Finding the Fourth Proportional to 112,298.40, 168,332.40 and 65,527.20

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Solution

The fourth proportional to 112,298.40, 168,332.40 and 65,527.20 is: 98,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,298.40 : 168,332.40 = 65,527.20 : x
  2. Step 2: Convert to fraction form
    112,298.40/168,332.40 = 65,527.20/x
  3. Step 3: Cross multiply
    112,298.40x = 168,332.40 × 65,527.20
  4. Step 4: Simplify right side
    112,298.40x = 11,030,350,841.28
  5. Step 5: Solve for x
    x = 11,030,350,841.28/112,298.40
  6. Step 6: Final answer
    x = 98,223.58

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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.