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Finding the Fourth Proportional to 249,328.49, 344,098.22 and 148,726.49

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Solution

The fourth proportional to 249,328.49, 344,098.22 and 148,726.49 is: 205,257.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,328.49 : 344,098.22 = 148,726.49 : x
  2. Step 2: Convert to fraction form
    249,328.49/344,098.22 = 148,726.49/x
  3. Step 3: Cross multiply
    249,328.49x = 344,098.22 × 148,726.49
  4. Step 4: Simplify right side
    249,328.49x = 51,176,518,011.72
  5. Step 5: Solve for x
    x = 51,176,518,011.72/249,328.49
  6. Step 6: Final answer
    x = 205,257.41

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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.