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Finding the Fourth Proportional to 123,948, 186,596.40 and 112,925.52

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Solution

The fourth proportional to 123,948, 186,596.40 and 112,925.52 is: 170,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,948 : 186,596.40 = 112,925.52 : x
  2. Step 2: Convert to fraction form
    123,948/186,596.40 = 112,925.52/x
  3. Step 3: Cross multiply
    123,948x = 186,596.40 × 112,925.52
  4. Step 4: Simplify right side
    123,948x = 21,071,495,500.13
  5. Step 5: Solve for x
    x = 21,071,495,500.13/123,948
  6. Step 6: Final answer
    x = 170,002.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.