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Finding the Fourth Proportional to 141,872.70, 212,809.05 and 62,903.10

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Solution

The fourth proportional to 141,872.70, 212,809.05 and 62,903.10 is: 94,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,872.70 : 212,809.05 = 62,903.10 : x
  2. Step 2: Convert to fraction form
    141,872.70/212,809.05 = 62,903.10/x
  3. Step 3: Cross multiply
    141,872.70x = 212,809.05 × 62,903.10
  4. Step 4: Simplify right side
    141,872.70x = 13,386,348,953.06
  5. Step 5: Solve for x
    x = 13,386,348,953.06/141,872.70
  6. Step 6: Final answer
    x = 94,354.65

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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.