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Finding the Fourth Proportional to 163,061.58, 224,720.28 and 127,194.78

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Solution

The fourth proportional to 163,061.58, 224,720.28 and 127,194.78 is: 175,291.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,061.58 : 224,720.28 = 127,194.78 : x
  2. Step 2: Convert to fraction form
    163,061.58/224,720.28 = 127,194.78/x
  3. Step 3: Cross multiply
    163,061.58x = 224,720.28 × 127,194.78
  4. Step 4: Simplify right side
    163,061.58x = 28,583,246,576.14
  5. Step 5: Solve for x
    x = 28,583,246,576.14/163,061.58
  6. Step 6: Final answer
    x = 175,291.12

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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.