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Finding the Fourth Proportional to 166,312.65, 249,508.32 and 53,992.65

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Solution

The fourth proportional to 166,312.65, 249,508.32 and 53,992.65 is: 81,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,312.65 : 249,508.32 = 53,992.65 : x
  2. Step 2: Convert to fraction form
    166,312.65/249,508.32 = 53,992.65/x
  3. Step 3: Cross multiply
    166,312.65x = 249,508.32 × 53,992.65
  4. Step 4: Simplify right side
    166,312.65x = 13,471,615,393.85
  5. Step 5: Solve for x
    x = 13,471,615,393.85/166,312.65
  6. Step 6: Final answer
    x = 81,001.75

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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.