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Finding the Fourth Proportional to 185,909.16, 256,556.16 and 101,026.20

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Solution

The fourth proportional to 185,909.16, 256,556.16 and 101,026.20 is: 139,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,909.16 : 256,556.16 = 101,026.20 : x
  2. Step 2: Convert to fraction form
    185,909.16/256,556.16 = 101,026.20/x
  3. Step 3: Cross multiply
    185,909.16x = 256,556.16 × 101,026.20
  4. Step 4: Simplify right side
    185,909.16x = 25,918,893,931.39
  5. Step 5: Solve for x
    x = 25,918,893,931.39/185,909.16
  6. Step 6: Final answer
    x = 139,416.98

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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.