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Finding the Fourth Proportional to 78,837, 108,798.54 and 44,393.58

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Solution

The fourth proportional to 78,837, 108,798.54 and 44,393.58 is: 61,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,837 : 108,798.54 = 44,393.58 : x
  2. Step 2: Convert to fraction form
    78,837/108,798.54 = 44,393.58/x
  3. Step 3: Cross multiply
    78,837x = 108,798.54 × 44,393.58
  4. Step 4: Simplify right side
    78,837x = 4,829,956,689.37
  5. Step 5: Solve for x
    x = 4,829,956,689.37/78,837
  6. Step 6: Final answer
    x = 61,265.10

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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.