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Finding the Fourth Proportional to 202,947.40, 304,421.10 and 62,705.80

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Solution

The fourth proportional to 202,947.40, 304,421.10 and 62,705.80 is: 94,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,947.40 : 304,421.10 = 62,705.80 : x
  2. Step 2: Convert to fraction form
    202,947.40/304,421.10 = 62,705.80/x
  3. Step 3: Cross multiply
    202,947.40x = 304,421.10 × 62,705.80
  4. Step 4: Simplify right side
    202,947.40x = 19,088,968,612.38
  5. Step 5: Solve for x
    x = 19,088,968,612.38/202,947.40
  6. Step 6: Final answer
    x = 94,058.70

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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.