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Finding the Fourth Proportional to 124,815.10, 187,222.65 and 124,815.10

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Solution

The fourth proportional to 124,815.10, 187,222.65 and 124,815.10 is: 187,222.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,815.10 : 187,222.65 = 124,815.10 : x
  2. Step 2: Convert to fraction form
    124,815.10/187,222.65 = 124,815.10/x
  3. Step 3: Cross multiply
    124,815.10x = 187,222.65 × 124,815.10
  4. Step 4: Simplify right side
    124,815.10x = 23,368,213,782.02
  5. Step 5: Solve for x
    x = 23,368,213,782.02/124,815.10
  6. Step 6: Final answer
    x = 187,222.65

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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.