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Finding the Fourth Proportional to 249,531.50, 374,300.52 and 83,319.50

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Solution

The fourth proportional to 249,531.50, 374,300.52 and 83,319.50 is: 124,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,531.50 : 374,300.52 = 83,319.50 : x
  2. Step 2: Convert to fraction form
    249,531.50/374,300.52 = 83,319.50/x
  3. Step 3: Cross multiply
    249,531.50x = 374,300.52 × 83,319.50
  4. Step 4: Simplify right side
    249,531.50x = 31,186,532,176.14
  5. Step 5: Solve for x
    x = 31,186,532,176.14/249,531.50
  6. Step 6: Final answer
    x = 124,980.34

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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.