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Finding the Fourth Proportional to 157,320.90, 235,983.78 and 44,999.01

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Solution

The fourth proportional to 157,320.90, 235,983.78 and 44,999.01 is: 67,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,320.90 : 235,983.78 = 44,999.01 : x
  2. Step 2: Convert to fraction form
    157,320.90/235,983.78 = 44,999.01/x
  3. Step 3: Cross multiply
    157,320.90x = 235,983.78 × 44,999.01
  4. Step 4: Simplify right side
    157,320.90x = 10,619,036,476.06
  5. Step 5: Solve for x
    x = 10,619,036,476.06/157,320.90
  6. Step 6: Final answer
    x = 67,499.21

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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.