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Finding the Fourth Proportional to 105,763.70, 158,645.55 and 101,098.10

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Solution

The fourth proportional to 105,763.70, 158,645.55 and 101,098.10 is: 151,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,763.70 : 158,645.55 = 101,098.10 : x
  2. Step 2: Convert to fraction form
    105,763.70/158,645.55 = 101,098.10/x
  3. Step 3: Cross multiply
    105,763.70x = 158,645.55 × 101,098.10
  4. Step 4: Simplify right side
    105,763.70x = 16,038,763,678.46
  5. Step 5: Solve for x
    x = 16,038,763,678.46/105,763.70
  6. Step 6: Final answer
    x = 151,647.15

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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.