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Finding the Fourth Proportional to 77,264.40, 115,810.20 and 44,000.40

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Solution

The fourth proportional to 77,264.40, 115,810.20 and 44,000.40 is: 65,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,264.40 : 115,810.20 = 44,000.40 : x
  2. Step 2: Convert to fraction form
    77,264.40/115,810.20 = 44,000.40/x
  3. Step 3: Cross multiply
    77,264.40x = 115,810.20 × 44,000.40
  4. Step 4: Simplify right side
    77,264.40x = 5,095,695,124.08
  5. Step 5: Solve for x
    x = 5,095,695,124.08/77,264.40
  6. Step 6: Final answer
    x = 65,951.40

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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.