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Finding the Fourth Proportional to 249,280.84, 344,007.54 and 136,103.68

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Solution

The fourth proportional to 249,280.84, 344,007.54 and 136,103.68 is: 187,823.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,280.84 : 344,007.54 = 136,103.68 : x
  2. Step 2: Convert to fraction form
    249,280.84/344,007.54 = 136,103.68/x
  3. Step 3: Cross multiply
    249,280.84x = 344,007.54 × 136,103.68
  4. Step 4: Simplify right side
    249,280.84x = 46,820,692,141.75
  5. Step 5: Solve for x
    x = 46,820,692,141.75/249,280.84
  6. Step 6: Final answer
    x = 187,823.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.