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Finding the Fourth Proportional to 185,760.64, 256,428.15 and 125,413.02

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Solution

The fourth proportional to 185,760.64, 256,428.15 and 125,413.02 is: 173,122.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,760.64 : 256,428.15 = 125,413.02 : x
  2. Step 2: Convert to fraction form
    185,760.64/256,428.15 = 125,413.02/x
  3. Step 3: Cross multiply
    185,760.64x = 256,428.15 × 125,413.02
  4. Step 4: Simplify right side
    185,760.64x = 32,159,428,704.51
  5. Step 5: Solve for x
    x = 32,159,428,704.51/185,760.64
  6. Step 6: Final answer
    x = 173,122.94

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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.