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Finding the Fourth Proportional to 249,239.34, 373,818.51 and 71,705.97

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Solution

The fourth proportional to 249,239.34, 373,818.51 and 71,705.97 is: 107,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,239.34 : 373,818.51 = 71,705.97 : x
  2. Step 2: Convert to fraction form
    249,239.34/373,818.51 = 71,705.97/x
  3. Step 3: Cross multiply
    249,239.34x = 373,818.51 × 71,705.97
  4. Step 4: Simplify right side
    249,239.34x = 26,805,018,863.50
  5. Step 5: Solve for x
    x = 26,805,018,863.50/249,239.34
  6. Step 6: Final answer
    x = 107,547.30

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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.