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Finding the Fourth Proportional to 245,345.64, 338,833.98 and 169,063.08

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Solution

The fourth proportional to 245,345.64, 338,833.98 and 169,063.08 is: 233,484.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,345.64 : 338,833.98 = 169,063.08 : x
  2. Step 2: Convert to fraction form
    245,345.64/338,833.98 = 169,063.08/x
  3. Step 3: Cross multiply
    245,345.64x = 338,833.98 × 169,063.08
  4. Step 4: Simplify right side
    245,345.64x = 57,284,316,267.46
  5. Step 5: Solve for x
    x = 57,284,316,267.46/245,345.64
  6. Step 6: Final answer
    x = 233,484.14

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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.