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Finding the Fourth Proportional to 188,547.10, 260,191.48 and 103,662.34

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Solution

The fourth proportional to 188,547.10, 260,191.48 and 103,662.34 is: 143,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,547.10 : 260,191.48 = 103,662.34 : x
  2. Step 2: Convert to fraction form
    188,547.10/260,191.48 = 103,662.34/x
  3. Step 3: Cross multiply
    188,547.10x = 260,191.48 × 103,662.34
  4. Step 4: Simplify right side
    188,547.10x = 26,972,057,664.86
  5. Step 5: Solve for x
    x = 26,972,057,664.86/188,547.10
  6. Step 6: Final answer
    x = 143,052.10

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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.