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Finding the Fourth Proportional to 83,970.40, 115,873.90 and 46,244.65

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Solution

The fourth proportional to 83,970.40, 115,873.90 and 46,244.65 is: 63,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,970.40 : 115,873.90 = 46,244.65 : x
  2. Step 2: Convert to fraction form
    83,970.40/115,873.90 = 46,244.65/x
  3. Step 3: Cross multiply
    83,970.40x = 115,873.90 × 46,244.65
  4. Step 4: Simplify right side
    83,970.40x = 5,358,547,949.64
  5. Step 5: Solve for x
    x = 5,358,547,949.64/83,970.40
  6. Step 6: Final answer
    x = 63,814.72

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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.