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Finding the Fourth Proportional to 82,275.40, 123,413.10 and 73,527.40

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Solution

The fourth proportional to 82,275.40, 123,413.10 and 73,527.40 is: 110,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,275.40 : 123,413.10 = 73,527.40 : x
  2. Step 2: Convert to fraction form
    82,275.40/123,413.10 = 73,527.40/x
  3. Step 3: Cross multiply
    82,275.40x = 123,413.10 × 73,527.40
  4. Step 4: Simplify right side
    82,275.40x = 9,074,244,368.94
  5. Step 5: Solve for x
    x = 9,074,244,368.94/82,275.40
  6. Step 6: Final answer
    x = 110,291.10

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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.