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Finding the Fourth Proportional to 249,818.82, 374,674.56 and 79,054.08

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Solution

The fourth proportional to 249,818.82, 374,674.56 and 79,054.08 is: 118,564.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,818.82 : 374,674.56 = 79,054.08 : x
  2. Step 2: Convert to fraction form
    249,818.82/374,674.56 = 79,054.08/x
  3. Step 3: Cross multiply
    249,818.82x = 374,674.56 × 79,054.08
  4. Step 4: Simplify right side
    249,818.82x = 29,619,552,640.20
  5. Step 5: Solve for x
    x = 29,619,552,640.20/249,818.82
  6. Step 6: Final answer
    x = 118,564.14

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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.