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Finding the Fourth Proportional to 249,951.51, 374,928.21 and 60,411.57

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Solution

The fourth proportional to 249,951.51, 374,928.21 and 60,411.57 is: 90,617.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,951.51 : 374,928.21 = 60,411.57 : x
  2. Step 2: Convert to fraction form
    249,951.51/374,928.21 = 60,411.57/x
  3. Step 3: Cross multiply
    249,951.51x = 374,928.21 × 60,411.57
  4. Step 4: Simplify right side
    249,951.51x = 22,650,001,803.39
  5. Step 5: Solve for x
    x = 22,650,001,803.39/249,951.51
  6. Step 6: Final answer
    x = 90,617.58

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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.