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Finding the Fourth Proportional to 114,042.40, 171,063.60 and 67,386.40

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Solution

The fourth proportional to 114,042.40, 171,063.60 and 67,386.40 is: 101,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,042.40 : 171,063.60 = 67,386.40 : x
  2. Step 2: Convert to fraction form
    114,042.40/171,063.60 = 67,386.40/x
  3. Step 3: Cross multiply
    114,042.40x = 171,063.60 × 67,386.40
  4. Step 4: Simplify right side
    114,042.40x = 11,527,360,175.04
  5. Step 5: Solve for x
    x = 11,527,360,175.04/114,042.40
  6. Step 6: Final answer
    x = 101,079.60

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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.