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Finding the Fourth Proportional to 104,054.92, 143,594.68 and 56,307.20

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Solution

The fourth proportional to 104,054.92, 143,594.68 and 56,307.20 is: 77,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,054.92 : 143,594.68 = 56,307.20 : x
  2. Step 2: Convert to fraction form
    104,054.92/143,594.68 = 56,307.20/x
  3. Step 3: Cross multiply
    104,054.92x = 143,594.68 × 56,307.20
  4. Step 4: Simplify right side
    104,054.92x = 8,085,414,365.70
  5. Step 5: Solve for x
    x = 8,085,414,365.70/104,054.92
  6. Step 6: Final answer
    x = 77,703.34

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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.