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Finding the Fourth Proportional to 112,017.40, 168,026.10 and 101,649.40

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Solution

The fourth proportional to 112,017.40, 168,026.10 and 101,649.40 is: 152,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,017.40 : 168,026.10 = 101,649.40 : x
  2. Step 2: Convert to fraction form
    112,017.40/168,026.10 = 101,649.40/x
  3. Step 3: Cross multiply
    112,017.40x = 168,026.10 × 101,649.40
  4. Step 4: Simplify right side
    112,017.40x = 17,079,752,249.34
  5. Step 5: Solve for x
    x = 17,079,752,249.34/112,017.40
  6. Step 6: Final answer
    x = 152,474.10

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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.