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Finding the Fourth Proportional to 208,304.40, 312,038.22 and 95,828.20

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Solution

The fourth proportional to 208,304.40, 312,038.22 and 95,828.20 is: 143,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,304.40 : 312,038.22 = 95,828.20 : x
  2. Step 2: Convert to fraction form
    208,304.40/312,038.22 = 95,828.20/x
  3. Step 3: Cross multiply
    208,304.40x = 312,038.22 × 95,828.20
  4. Step 4: Simplify right side
    208,304.40x = 29,902,060,953.80
  5. Step 5: Solve for x
    x = 29,902,060,953.80/208,304.40
  6. Step 6: Final answer
    x = 143,549.83

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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.