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Finding the Fourth Proportional to 249,645.68, 374,312.48 and 105,477.38

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Solution

The fourth proportional to 249,645.68, 374,312.48 and 105,477.38 is: 158,150.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,645.68 : 374,312.48 = 105,477.38 : x
  2. Step 2: Convert to fraction form
    249,645.68/374,312.48 = 105,477.38/x
  3. Step 3: Cross multiply
    249,645.68x = 374,312.48 × 105,477.38
  4. Step 4: Simplify right side
    249,645.68x = 39,481,497,292.75
  5. Step 5: Solve for x
    x = 39,481,497,292.75/249,645.68
  6. Step 6: Final answer
    x = 158,150.14

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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.