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Finding the Fourth Proportional to 249,514.80, 374,275.40 and 83,302.80

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Solution

The fourth proportional to 249,514.80, 374,275.40 and 83,302.80 is: 124,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,514.80 : 374,275.40 = 83,302.80 : x
  2. Step 2: Convert to fraction form
    249,514.80/374,275.40 = 83,302.80/x
  3. Step 3: Cross multiply
    249,514.80x = 374,275.40 × 83,302.80
  4. Step 4: Simplify right side
    249,514.80x = 31,178,188,791.12
  5. Step 5: Solve for x
    x = 31,178,188,791.12/249,514.80
  6. Step 6: Final answer
    x = 124,955.27

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1.5x scale

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.