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Finding the Fourth Proportional to 78,303.50, 108,058.84 and 44,775.98

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Solution

The fourth proportional to 78,303.50, 108,058.84 and 44,775.98 is: 61,790.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,303.50 : 108,058.84 = 44,775.98 : x
  2. Step 2: Convert to fraction form
    78,303.50/108,058.84 = 44,775.98/x
  3. Step 3: Cross multiply
    78,303.50x = 108,058.84 × 44,775.98
  4. Step 4: Simplify right side
    78,303.50x = 4,838,440,458.66
  5. Step 5: Solve for x
    x = 4,838,440,458.66/78,303.50
  6. Step 6: Final answer
    x = 61,790.86

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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.