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Finding the Fourth Proportional to 245,547.64, 338,565.89 and 168,060.65

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Solution

The fourth proportional to 245,547.64, 338,565.89 and 168,060.65 is: 231,725.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,547.64 : 338,565.89 = 168,060.65 : x
  2. Step 2: Convert to fraction form
    245,547.64/338,565.89 = 168,060.65/x
  3. Step 3: Cross multiply
    245,547.64x = 338,565.89 × 168,060.65
  4. Step 4: Simplify right side
    245,547.64x = 56,899,603,541.23
  5. Step 5: Solve for x
    x = 56,899,603,541.23/245,547.64
  6. Step 6: Final answer
    x = 231,725.31

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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.