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Finding the Fourth Proportional to 141,516.78, 212,348.16 and 62,686.68

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Solution

The fourth proportional to 141,516.78, 212,348.16 and 62,686.68 is: 94,062.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,516.78 : 212,348.16 = 62,686.68 : x
  2. Step 2: Convert to fraction form
    141,516.78/212,348.16 = 62,686.68/x
  3. Step 3: Cross multiply
    141,516.78x = 212,348.16 × 62,686.68
  4. Step 4: Simplify right side
    141,516.78x = 13,311,401,154.51
  5. Step 5: Solve for x
    x = 13,311,401,154.51/141,516.78
  6. Step 6: Final answer
    x = 94,062.35

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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.