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Finding the Fourth Proportional to 249,359, 344,228.70 and 158,839.06

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Solution

The fourth proportional to 249,359, 344,228.70 and 158,839.06 is: 219,270.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,359 : 344,228.70 = 158,839.06 : x
  2. Step 2: Convert to fraction form
    249,359/344,228.70 = 158,839.06/x
  3. Step 3: Cross multiply
    249,359x = 344,228.70 × 158,839.06
  4. Step 4: Simplify right side
    249,359x = 54,676,963,133.02
  5. Step 5: Solve for x
    x = 54,676,963,133.02/249,359
  6. Step 6: Final answer
    x = 219,270.06

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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.