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Finding the Fourth Proportional to 249,903.69, 344,875.71 and 136,726.44

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Solution

The fourth proportional to 249,903.69, 344,875.71 and 136,726.44 is: 188,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,903.69 : 344,875.71 = 136,726.44 : x
  2. Step 2: Convert to fraction form
    249,903.69/344,875.71 = 136,726.44/x
  3. Step 3: Cross multiply
    249,903.69x = 344,875.71 × 136,726.44
  4. Step 4: Simplify right side
    249,903.69x = 47,153,628,070.77
  5. Step 5: Solve for x
    x = 47,153,628,070.77/249,903.69
  6. Step 6: Final answer
    x = 188,687.20

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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.