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Finding the Fourth Proportional to 173,624.10, 260,436.15 and 105,972.90

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Solution

The fourth proportional to 173,624.10, 260,436.15 and 105,972.90 is: 158,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,624.10 : 260,436.15 = 105,972.90 : x
  2. Step 2: Convert to fraction form
    173,624.10/260,436.15 = 105,972.90/x
  3. Step 3: Cross multiply
    173,624.10x = 260,436.15 × 105,972.90
  4. Step 4: Simplify right side
    173,624.10x = 27,599,174,080.34
  5. Step 5: Solve for x
    x = 27,599,174,080.34/173,624.10
  6. Step 6: Final answer
    x = 158,959.35

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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.