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Finding the Fourth Proportional to 112,269.40, 168,404.10 and 101,901.40

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Solution

The fourth proportional to 112,269.40, 168,404.10 and 101,901.40 is: 152,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,269.40 : 168,404.10 = 101,901.40 : x
  2. Step 2: Convert to fraction form
    112,269.40/168,404.10 = 101,901.40/x
  3. Step 3: Cross multiply
    112,269.40x = 168,404.10 × 101,901.40
  4. Step 4: Simplify right side
    112,269.40x = 17,160,613,555.74
  5. Step 5: Solve for x
    x = 17,160,613,555.74/112,269.40
  6. Step 6: Final answer
    x = 152,852.10

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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.