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Finding the Fourth Proportional to 249,735.28, 374,349.84 and 89,763.52

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Solution

The fourth proportional to 249,735.28, 374,349.84 and 89,763.52 is: 134,554.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,735.28 : 374,349.84 = 89,763.52 : x
  2. Step 2: Convert to fraction form
    249,735.28/374,349.84 = 89,763.52/x
  3. Step 3: Cross multiply
    249,735.28x = 374,349.84 × 89,763.52
  4. Step 4: Simplify right side
    249,735.28x = 33,602,959,349.84
  5. Step 5: Solve for x
    x = 33,602,959,349.84/249,735.28
  6. Step 6: Final answer
    x = 134,554.31

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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.