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Finding the Fourth Proportional to 119,511.93, 164,927.55 and 65,798.13

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Solution

The fourth proportional to 119,511.93, 164,927.55 and 65,798.13 is: 90,802.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,511.93 : 164,927.55 = 65,798.13 : x
  2. Step 2: Convert to fraction form
    119,511.93/164,927.55 = 65,798.13/x
  3. Step 3: Cross multiply
    119,511.93x = 164,927.55 × 65,798.13
  4. Step 4: Simplify right side
    119,511.93x = 10,851,924,375.48
  5. Step 5: Solve for x
    x = 10,851,924,375.48/119,511.93
  6. Step 6: Final answer
    x = 90,802.02

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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.