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Finding the Fourth Proportional to 249,480, 374,223.24 and 83,268

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Solution

The fourth proportional to 249,480, 374,223.24 and 83,268 is: 124,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,480 : 374,223.24 = 83,268 : x
  2. Step 2: Convert to fraction form
    249,480/374,223.24 = 83,268/x
  3. Step 3: Cross multiply
    249,480x = 374,223.24 × 83,268
  4. Step 4: Simplify right side
    249,480x = 31,160,820,748.32
  5. Step 5: Solve for x
    x = 31,160,820,748.32/249,480
  6. Step 6: Final answer
    x = 124,903.08

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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.