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Finding the Fourth Proportional to 249,448.98, 344,234.37 and 140,558.91

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Solution

The fourth proportional to 249,448.98, 344,234.37 and 140,558.91 is: 193,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,448.98 : 344,234.37 = 140,558.91 : x
  2. Step 2: Convert to fraction form
    249,448.98/344,234.37 = 140,558.91/x
  3. Step 3: Cross multiply
    249,448.98x = 344,234.37 × 140,558.91
  4. Step 4: Simplify right side
    249,448.98x = 48,385,207,831.74
  5. Step 5: Solve for x
    x = 48,385,207,831.74/249,448.98
  6. Step 6: Final answer
    x = 193,968.35

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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.