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Finding the Fourth Proportional to 168,308.72, 232,259.64 and 104,631.92

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Solution

The fourth proportional to 168,308.72, 232,259.64 and 104,631.92 is: 144,388.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,308.72 : 232,259.64 = 104,631.92 : x
  2. Step 2: Convert to fraction form
    168,308.72/232,259.64 = 104,631.92/x
  3. Step 3: Cross multiply
    168,308.72x = 232,259.64 × 104,631.92
  4. Step 4: Simplify right side
    168,308.72x = 24,301,772,071.71
  5. Step 5: Solve for x
    x = 24,301,772,071.71/168,308.72
  6. Step 6: Final answer
    x = 144,388.07

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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.