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Finding the Fourth Proportional to 162,656.69, 224,466.19 and 91,036.71

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Solution

The fourth proportional to 162,656.69, 224,466.19 and 91,036.71 is: 125,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,656.69 : 224,466.19 = 91,036.71 : x
  2. Step 2: Convert to fraction form
    162,656.69/224,466.19 = 91,036.71/x
  3. Step 3: Cross multiply
    162,656.69x = 224,466.19 × 91,036.71
  4. Step 4: Simplify right side
    162,656.69x = 20,434,663,216.24
  5. Step 5: Solve for x
    x = 20,434,663,216.24/162,656.69
  6. Step 6: Final answer
    x = 125,630.64

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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.