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Finding the Fourth Proportional to 105,482.28, 158,223.54 and 38,893.56

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Solution

The fourth proportional to 105,482.28, 158,223.54 and 38,893.56 is: 58,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,482.28 : 158,223.54 = 38,893.56 : x
  2. Step 2: Convert to fraction form
    105,482.28/158,223.54 = 38,893.56/x
  3. Step 3: Cross multiply
    105,482.28x = 158,223.54 × 38,893.56
  4. Step 4: Simplify right side
    105,482.28x = 6,153,876,746.40
  5. Step 5: Solve for x
    x = 6,153,876,746.40/105,482.28
  6. Step 6: Final answer
    x = 58,340.38

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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.