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Finding the Fourth Proportional to 162,820.30, 244,230.45 and 155,908.30

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Solution

The fourth proportional to 162,820.30, 244,230.45 and 155,908.30 is: 233,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,820.30 : 244,230.45 = 155,908.30 : x
  2. Step 2: Convert to fraction form
    162,820.30/244,230.45 = 155,908.30/x
  3. Step 3: Cross multiply
    162,820.30x = 244,230.45 × 155,908.30
  4. Step 4: Simplify right side
    162,820.30x = 38,077,554,267.74
  5. Step 5: Solve for x
    x = 38,077,554,267.74/162,820.30
  6. Step 6: Final answer
    x = 233,862.45

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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.