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Finding the Fourth Proportional to 249,902.60, 374,873.34 and 72,412.16

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Solution

The fourth proportional to 249,902.60, 374,873.34 and 72,412.16 is: 108,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,902.60 : 374,873.34 = 72,412.16 : x
  2. Step 2: Convert to fraction form
    249,902.60/374,873.34 = 72,412.16/x
  3. Step 3: Cross multiply
    249,902.60x = 374,873.34 × 72,412.16
  4. Step 4: Simplify right side
    249,902.60x = 27,145,388,275.81
  5. Step 5: Solve for x
    x = 27,145,388,275.81/249,902.60
  6. Step 6: Final answer
    x = 108,623.87

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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.