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Finding the Fourth Proportional to 105,915.96, 158,873.85 and 27,030.18

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Solution

The fourth proportional to 105,915.96, 158,873.85 and 27,030.18 is: 40,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,915.96 : 158,873.85 = 27,030.18 : x
  2. Step 2: Convert to fraction form
    105,915.96/158,873.85 = 27,030.18/x
  3. Step 3: Cross multiply
    105,915.96x = 158,873.85 × 27,030.18
  4. Step 4: Simplify right side
    105,915.96x = 4,294,388,762.79
  5. Step 5: Solve for x
    x = 4,294,388,762.79/105,915.96
  6. Step 6: Final answer
    x = 40,545.25

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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.