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Finding the Fourth Proportional to 119,812.01, 165,341.13 and 66,097.01

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Solution

The fourth proportional to 119,812.01, 165,341.13 and 66,097.01 is: 91,214.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,812.01 : 165,341.13 = 66,097.01 : x
  2. Step 2: Convert to fraction form
    119,812.01/165,341.13 = 66,097.01/x
  3. Step 3: Cross multiply
    119,812.01x = 165,341.13 × 66,097.01
  4. Step 4: Simplify right side
    119,812.01x = 10,928,554,860.31
  5. Step 5: Solve for x
    x = 10,928,554,860.31/119,812.01
  6. Step 6: Final answer
    x = 91,214.18

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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.