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Finding the Fourth Proportional to 117,023.95, 161,492.90 and 63,308.80

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Solution

The fourth proportional to 117,023.95, 161,492.90 and 63,308.80 is: 87,366.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,023.95 : 161,492.90 = 63,308.80 : x
  2. Step 2: Convert to fraction form
    117,023.95/161,492.90 = 63,308.80/x
  3. Step 3: Cross multiply
    117,023.95x = 161,492.90 × 63,308.80
  4. Step 4: Simplify right side
    117,023.95x = 10,223,920,900.06
  5. Step 5: Solve for x
    x = 10,223,920,900.06/117,023.95
  6. Step 6: Final answer
    x = 87,366.06

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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.