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Finding the Fourth Proportional to 176,449.69, 243,492.52 and 99,967.23

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Solution

The fourth proportional to 176,449.69, 243,492.52 and 99,967.23 is: 137,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,449.69 : 243,492.52 = 99,967.23 : x
  2. Step 2: Convert to fraction form
    176,449.69/243,492.52 = 99,967.23/x
  3. Step 3: Cross multiply
    176,449.69x = 243,492.52 × 99,967.23
  4. Step 4: Simplify right side
    176,449.69x = 24,341,272,750.12
  5. Step 5: Solve for x
    x = 24,341,272,750.12/176,449.69
  6. Step 6: Final answer
    x = 137,950.22

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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.