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Finding the Fourth Proportional to 119,904.16, 165,442.08 and 69,576.16

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Solution

The fourth proportional to 119,904.16, 165,442.08 and 69,576.16 is: 96,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,904.16 : 165,442.08 = 69,576.16 : x
  2. Step 2: Convert to fraction form
    119,904.16/165,442.08 = 69,576.16/x
  3. Step 3: Cross multiply
    119,904.16x = 165,442.08 × 69,576.16
  4. Step 4: Simplify right side
    119,904.16x = 11,510,824,628.81
  5. Step 5: Solve for x
    x = 11,510,824,628.81/119,904.16
  6. Step 6: Final answer
    x = 96,000.21

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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.