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Finding the Fourth Proportional to 155,378.40, 233,240.40 and 96,280.80

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Solution

The fourth proportional to 155,378.40, 233,240.40 and 96,280.80 is: 144,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,378.40 : 233,240.40 = 96,280.80 : x
  2. Step 2: Convert to fraction form
    155,378.40/233,240.40 = 96,280.80/x
  3. Step 3: Cross multiply
    155,378.40x = 233,240.40 × 96,280.80
  4. Step 4: Simplify right side
    155,378.40x = 22,456,572,304.32
  5. Step 5: Solve for x
    x = 22,456,572,304.32/155,378.40
  6. Step 6: Final answer
    x = 144,528.28

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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.