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Finding the Fourth Proportional to 111,413.52, 153,750.74 and 60,426.25

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Solution

The fourth proportional to 111,413.52, 153,750.74 and 60,426.25 is: 83,388.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,413.52 : 153,750.74 = 60,426.25 : x
  2. Step 2: Convert to fraction form
    111,413.52/153,750.74 = 60,426.25/x
  3. Step 3: Cross multiply
    111,413.52x = 153,750.74 × 60,426.25
  4. Step 4: Simplify right side
    111,413.52x = 9,290,579,966.42
  5. Step 5: Solve for x
    x = 9,290,579,966.42/111,413.52
  6. Step 6: Final answer
    x = 83,388.26

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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.