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Finding the Fourth Proportional to 78,264.90, 108,010.91 and 44,273.40

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Solution

The fourth proportional to 78,264.90, 108,010.91 and 44,273.40 is: 61,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,264.90 : 108,010.91 = 44,273.40 : x
  2. Step 2: Convert to fraction form
    78,264.90/108,010.91 = 44,273.40/x
  3. Step 3: Cross multiply
    78,264.90x = 108,010.91 × 44,273.40
  4. Step 4: Simplify right side
    78,264.90x = 4,782,010,222.79
  5. Step 5: Solve for x
    x = 4,782,010,222.79/78,264.90
  6. Step 6: Final answer
    x = 61,100.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.