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Finding the Fourth Proportional to 69,159.28, 103,656.90 and 62,106.20

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Solution

The fourth proportional to 69,159.28, 103,656.90 and 62,106.20 is: 93,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,159.28 : 103,656.90 = 62,106.20 : x
  2. Step 2: Convert to fraction form
    69,159.28/103,656.90 = 62,106.20/x
  3. Step 3: Cross multiply
    69,159.28x = 103,656.90 × 62,106.20
  4. Step 4: Simplify right side
    69,159.28x = 6,437,736,162.78
  5. Step 5: Solve for x
    x = 6,437,736,162.78/69,159.28
  6. Step 6: Final answer
    x = 93,085.64

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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.