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Finding the Fourth Proportional to 185,344.88, 255,803.25 and 117,368.06

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Solution

The fourth proportional to 185,344.88, 255,803.25 and 117,368.06 is: 161,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,344.88 : 255,803.25 = 117,368.06 : x
  2. Step 2: Convert to fraction form
    185,344.88/255,803.25 = 117,368.06/x
  3. Step 3: Cross multiply
    185,344.88x = 255,803.25 × 117,368.06
  4. Step 4: Simplify right side
    185,344.88x = 30,023,129,915.18
  5. Step 5: Solve for x
    x = 30,023,129,915.18/185,344.88
  6. Step 6: Final answer
    x = 161,985.22

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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.