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Finding the Fourth Proportional to 119,802.18, 165,335.16 and 69,501.18

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Solution

The fourth proportional to 119,802.18, 165,335.16 and 69,501.18 is: 95,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,802.18 : 165,335.16 = 69,501.18 : x
  2. Step 2: Convert to fraction form
    119,802.18/165,335.16 = 69,501.18/x
  3. Step 3: Cross multiply
    119,802.18x = 165,335.16 × 69,501.18
  4. Step 4: Simplify right side
    119,802.18x = 11,490,988,715.49
  5. Step 5: Solve for x
    x = 11,490,988,715.49/119,802.18
  6. Step 6: Final answer
    x = 95,916.36

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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.