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Finding the Fourth Proportional to 155,752.40, 233,686.20 and 149,992.40

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Solution

The fourth proportional to 155,752.40, 233,686.20 and 149,992.40 is: 225,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,752.40 : 233,686.20 = 149,992.40 : x
  2. Step 2: Convert to fraction form
    155,752.40/233,686.20 = 149,992.40/x
  3. Step 3: Cross multiply
    155,752.40x = 233,686.20 × 149,992.40
  4. Step 4: Simplify right side
    155,752.40x = 35,051,153,984.88
  5. Step 5: Solve for x
    x = 35,051,153,984.88/155,752.40
  6. Step 6: Final answer
    x = 225,044.07

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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.