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Finding the Fourth Proportional to 161,596.88, 242,421.58 and 47,756.24

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Solution

The fourth proportional to 161,596.88, 242,421.58 and 47,756.24 is: 71,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,596.88 : 242,421.58 = 47,756.24 : x
  2. Step 2: Convert to fraction form
    161,596.88/242,421.58 = 47,756.24/x
  3. Step 3: Cross multiply
    161,596.88x = 242,421.58 × 47,756.24
  4. Step 4: Simplify right side
    161,596.88x = 11,577,141,824.16
  5. Step 5: Solve for x
    x = 11,577,141,824.16/161,596.88
  6. Step 6: Final answer
    x = 71,642.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.