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Finding the Fourth Proportional to 155,987.46, 234,022.68 and 49,373.46

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Solution

The fourth proportional to 155,987.46, 234,022.68 and 49,373.46 is: 74,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,987.46 : 234,022.68 = 49,373.46 : x
  2. Step 2: Convert to fraction form
    155,987.46/234,022.68 = 49,373.46/x
  3. Step 3: Cross multiply
    155,987.46x = 234,022.68 × 49,373.46
  4. Step 4: Simplify right side
    155,987.46x = 11,554,509,430.07
  5. Step 5: Solve for x
    x = 11,554,509,430.07/155,987.46
  6. Step 6: Final answer
    x = 74,073.32

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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.