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Finding the Fourth Proportional to 145,870.77, 218,806.08 and 46,040.97

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Solution

The fourth proportional to 145,870.77, 218,806.08 and 46,040.97 is: 69,061.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,870.77 : 218,806.08 = 46,040.97 : x
  2. Step 2: Convert to fraction form
    145,870.77/218,806.08 = 46,040.97/x
  3. Step 3: Cross multiply
    145,870.77x = 218,806.08 × 46,040.97
  4. Step 4: Simplify right side
    145,870.77x = 10,074,044,165.10
  5. Step 5: Solve for x
    x = 10,074,044,165.10/145,870.77
  6. Step 6: Final answer
    x = 69,061.43

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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.