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Finding the Fourth Proportional to 112,102.90, 168,154.35 and 41,973.10

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Solution

The fourth proportional to 112,102.90, 168,154.35 and 41,973.10 is: 62,959.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,102.90 : 168,154.35 = 41,973.10 : x
  2. Step 2: Convert to fraction form
    112,102.90/168,154.35 = 41,973.10/x
  3. Step 3: Cross multiply
    112,102.90x = 168,154.35 × 41,973.10
  4. Step 4: Simplify right side
    112,102.90x = 7,057,959,347.99
  5. Step 5: Solve for x
    x = 7,057,959,347.99/112,102.90
  6. Step 6: Final answer
    x = 62,959.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.