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Finding the Fourth Proportional to 79,921.46, 110,307.75 and 45,953.71

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Solution

The fourth proportional to 79,921.46, 110,307.75 and 45,953.71 is: 63,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,921.46 : 110,307.75 = 45,953.71 : x
  2. Step 2: Convert to fraction form
    79,921.46/110,307.75 = 45,953.71/x
  3. Step 3: Cross multiply
    79,921.46x = 110,307.75 × 45,953.71
  4. Step 4: Simplify right side
    79,921.46x = 5,069,050,354.25
  5. Step 5: Solve for x
    x = 5,069,050,354.25/79,921.46
  6. Step 6: Final answer
    x = 63,425.40

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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.