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Finding the Fourth Proportional to 111,047.68, 153,246 and 60,746.68

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Solution

The fourth proportional to 111,047.68, 153,246 and 60,746.68 is: 83,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,047.68 : 153,246 = 60,746.68 : x
  2. Step 2: Convert to fraction form
    111,047.68/153,246 = 60,746.68/x
  3. Step 3: Cross multiply
    111,047.68x = 153,246 × 60,746.68
  4. Step 4: Simplify right side
    111,047.68x = 9,309,185,723.28
  5. Step 5: Solve for x
    x = 9,309,185,723.28/111,047.68
  6. Step 6: Final answer
    x = 83,830.53

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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.