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Finding the Fourth Proportional to 249,574.76, 374,400.86 and 105,481.19

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Solution

The fourth proportional to 249,574.76, 374,400.86 and 105,481.19 is: 158,238.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,574.76 : 374,400.86 = 105,481.19 : x
  2. Step 2: Convert to fraction form
    249,574.76/374,400.86 = 105,481.19/x
  3. Step 3: Cross multiply
    249,574.76x = 374,400.86 × 105,481.19
  4. Step 4: Simplify right side
    249,574.76x = 39,492,248,658.42
  5. Step 5: Solve for x
    x = 39,492,248,658.42/249,574.76
  6. Step 6: Final answer
    x = 158,238.15

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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.