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Finding the Fourth Proportional to 249,969.30, 374,953.95 and 109,727.93

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Solution

The fourth proportional to 249,969.30, 374,953.95 and 109,727.93 is: 164,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,969.30 : 374,953.95 = 109,727.93 : x
  2. Step 2: Convert to fraction form
    249,969.30/374,953.95 = 109,727.93/x
  3. Step 3: Cross multiply
    249,969.30x = 374,953.95 × 109,727.93
  4. Step 4: Simplify right side
    249,969.30x = 41,142,918,904.05
  5. Step 5: Solve for x
    x = 41,142,918,904.05/249,969.30
  6. Step 6: Final answer
    x = 164,591.89

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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.