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Finding the Fourth Proportional to 104,622.58, 144,377.46 and 56,877.12

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Solution

The fourth proportional to 104,622.58, 144,377.46 and 56,877.12 is: 78,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,622.58 : 144,377.46 = 56,877.12 : x
  2. Step 2: Convert to fraction form
    104,622.58/144,377.46 = 56,877.12/x
  3. Step 3: Cross multiply
    104,622.58x = 144,377.46 × 56,877.12
  4. Step 4: Simplify right side
    104,622.58x = 8,211,774,117.72
  5. Step 5: Solve for x
    x = 8,211,774,117.72/104,622.58
  6. Step 6: Final answer
    x = 78,489.50

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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.