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Finding the Fourth Proportional to 162,807.68, 224,668.48 and 91,184.16

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Solution

The fourth proportional to 162,807.68, 224,668.48 and 91,184.16 is: 125,830.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,807.68 : 224,668.48 = 91,184.16 : x
  2. Step 2: Convert to fraction form
    162,807.68/224,668.48 = 91,184.16/x
  3. Step 3: Cross multiply
    162,807.68x = 224,668.48 × 91,184.16
  4. Step 4: Simplify right side
    162,807.68x = 20,486,206,627.28
  5. Step 5: Solve for x
    x = 20,486,206,627.28/162,807.68
  6. Step 6: Final answer
    x = 125,830.71

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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.