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Finding the Fourth Proportional to 188,122.55, 282,280.65 and 124,986.14

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Solution

The fourth proportional to 188,122.55, 282,280.65 and 124,986.14 is: 187,543.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,122.55 : 282,280.65 = 124,986.14 : x
  2. Step 2: Convert to fraction form
    188,122.55/282,280.65 = 124,986.14/x
  3. Step 3: Cross multiply
    188,122.55x = 282,280.65 × 124,986.14
  4. Step 4: Simplify right side
    188,122.55x = 35,281,168,018.64
  5. Step 5: Solve for x
    x = 35,281,168,018.64/188,122.55
  6. Step 6: Final answer
    x = 187,543.53

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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.