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Finding the Fourth Proportional to 255,897.60, 353,137.52 and 141,173.12

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Solution

The fourth proportional to 255,897.60, 353,137.52 and 141,173.12 is: 194,818.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,897.60 : 353,137.52 = 141,173.12 : x
  2. Step 2: Convert to fraction form
    255,897.60/353,137.52 = 141,173.12/x
  3. Step 3: Cross multiply
    255,897.60x = 353,137.52 × 141,173.12
  4. Step 4: Simplify right side
    255,897.60x = 49,853,525,487.46
  5. Step 5: Solve for x
    x = 49,853,525,487.46/255,897.60
  6. Step 6: Final answer
    x = 194,818.26

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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.