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Finding the Fourth Proportional to 119,602.50, 165,059.01 and 65,887.62

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Solution

The fourth proportional to 119,602.50, 165,059.01 and 65,887.62 is: 90,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,602.50 : 165,059.01 = 65,887.62 : x
  2. Step 2: Convert to fraction form
    119,602.50/165,059.01 = 65,887.62/x
  3. Step 3: Cross multiply
    119,602.50x = 165,059.01 × 65,887.62
  4. Step 4: Simplify right side
    119,602.50x = 10,875,345,328.46
  5. Step 5: Solve for x
    x = 10,875,345,328.46/119,602.50
  6. Step 6: Final answer
    x = 90,929.08

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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.