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Finding the Fourth Proportional to 249,675.63, 374,435.69 and 83,424.75

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Solution

The fourth proportional to 249,675.63, 374,435.69 and 83,424.75 is: 125,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,675.63 : 374,435.69 = 83,424.75 : x
  2. Step 2: Convert to fraction form
    249,675.63/374,435.69 = 83,424.75/x
  3. Step 3: Cross multiply
    249,675.63x = 374,435.69 × 83,424.75
  4. Step 4: Simplify right side
    249,675.63x = 31,237,203,412.20
  5. Step 5: Solve for x
    x = 31,237,203,412.20/249,675.63
  6. Step 6: Final answer
    x = 125,111.14

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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.