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Finding the Fourth Proportional to 235,776.96, 325,386.72 and 135,207.36

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Solution

The fourth proportional to 235,776.96, 325,386.72 and 135,207.36 is: 186,594.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,776.96 : 325,386.72 = 135,207.36 : x
  2. Step 2: Convert to fraction form
    235,776.96/325,386.72 = 135,207.36/x
  3. Step 3: Cross multiply
    235,776.96x = 325,386.72 × 135,207.36
  4. Step 4: Simplify right side
    235,776.96x = 43,994,679,390.26
  5. Step 5: Solve for x
    x = 43,994,679,390.26/235,776.96
  6. Step 6: Final answer
    x = 186,594.48

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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.