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Finding the Fourth Proportional to 112,547.70, 168,821.55 and 45,944.10

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Solution

The fourth proportional to 112,547.70, 168,821.55 and 45,944.10 is: 68,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,547.70 : 168,821.55 = 45,944.10 : x
  2. Step 2: Convert to fraction form
    112,547.70/168,821.55 = 45,944.10/x
  3. Step 3: Cross multiply
    112,547.70x = 168,821.55 × 45,944.10
  4. Step 4: Simplify right side
    112,547.70x = 7,756,354,175.36
  5. Step 5: Solve for x
    x = 7,756,354,175.36/112,547.70
  6. Step 6: Final answer
    x = 68,916.15

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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.