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Finding the Fourth Proportional to 159,125.52, 219,594.60 and 86,528.64

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Solution

The fourth proportional to 159,125.52, 219,594.60 and 86,528.64 is: 119,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,125.52 : 219,594.60 = 86,528.64 : x
  2. Step 2: Convert to fraction form
    159,125.52/219,594.60 = 86,528.64/x
  3. Step 3: Cross multiply
    159,125.52x = 219,594.60 × 86,528.64
  4. Step 4: Simplify right side
    159,125.52x = 19,001,222,089.34
  5. Step 5: Solve for x
    x = 19,001,222,089.34/159,125.52
  6. Step 6: Final answer
    x = 119,410.27

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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.