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Finding the Fourth Proportional to 223,149.60, 307,832.58 and 142,492.32

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Solution

The fourth proportional to 223,149.60, 307,832.58 and 142,492.32 is: 196,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,149.60 : 307,832.58 = 142,492.32 : x
  2. Step 2: Convert to fraction form
    223,149.60/307,832.58 = 142,492.32/x
  3. Step 3: Cross multiply
    223,149.60x = 307,832.58 × 142,492.32
  4. Step 4: Simplify right side
    223,149.60x = 43,863,778,495.79
  5. Step 5: Solve for x
    x = 43,863,778,495.79/223,149.60
  6. Step 6: Final answer
    x = 196,566.69

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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.