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Finding the Fourth Proportional to 249,585.85, 374,415.63 and 91,802.71

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Solution

The fourth proportional to 249,585.85, 374,415.63 and 91,802.71 is: 137,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,585.85 : 374,415.63 = 91,802.71 : x
  2. Step 2: Convert to fraction form
    249,585.85/374,415.63 = 91,802.71/x
  3. Step 3: Cross multiply
    249,585.85x = 374,415.63 × 91,802.71
  4. Step 4: Simplify right side
    249,585.85x = 34,372,369,500.36
  5. Step 5: Solve for x
    x = 34,372,369,500.36/249,585.85
  6. Step 6: Final answer
    x = 137,717.62

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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.