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Finding the Fourth Proportional to 155,572.20, 233,012.70 and 127,924.20

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Solution

The fourth proportional to 155,572.20, 233,012.70 and 127,924.20 is: 191,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,572.20 : 233,012.70 = 127,924.20 : x
  2. Step 2: Convert to fraction form
    155,572.20/233,012.70 = 127,924.20/x
  3. Step 3: Cross multiply
    155,572.20x = 233,012.70 × 127,924.20
  4. Step 4: Simplify right side
    155,572.20x = 29,807,963,237.34
  5. Step 5: Solve for x
    x = 29,807,963,237.34/155,572.20
  6. Step 6: Final answer
    x = 191,602.12

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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.