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Finding the Fourth Proportional to 249,924.52, 374,848.26 and 81,444.42

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Solution

The fourth proportional to 249,924.52, 374,848.26 and 81,444.42 is: 122,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,924.52 : 374,848.26 = 81,444.42 : x
  2. Step 2: Convert to fraction form
    249,924.52/374,848.26 = 81,444.42/x
  3. Step 3: Cross multiply
    249,924.52x = 374,848.26 × 81,444.42
  4. Step 4: Simplify right side
    249,924.52x = 30,529,299,123.71
  5. Step 5: Solve for x
    x = 30,529,299,123.71/249,924.52
  6. Step 6: Final answer
    x = 122,154.08

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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.