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Finding the Fourth Proportional to 106,252.60, 159,378.90 and 61,929.40

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Solution

The fourth proportional to 106,252.60, 159,378.90 and 61,929.40 is: 92,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,252.60 : 159,378.90 = 61,929.40 : x
  2. Step 2: Convert to fraction form
    106,252.60/159,378.90 = 61,929.40/x
  3. Step 3: Cross multiply
    106,252.60x = 159,378.90 × 61,929.40
  4. Step 4: Simplify right side
    106,252.60x = 9,870,239,649.66
  5. Step 5: Solve for x
    x = 9,870,239,649.66/106,252.60
  6. Step 6: Final answer
    x = 92,894.10

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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.