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Finding the Fourth Proportional to 111,637.66, 154,059.33 and 60,649.98

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Solution

The fourth proportional to 111,637.66, 154,059.33 and 60,649.98 is: 83,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,637.66 : 154,059.33 = 60,649.98 : x
  2. Step 2: Convert to fraction form
    111,637.66/154,059.33 = 60,649.98/x
  3. Step 3: Cross multiply
    111,637.66x = 154,059.33 × 60,649.98
  4. Step 4: Simplify right side
    111,637.66x = 9,343,695,283.31
  5. Step 5: Solve for x
    x = 9,343,695,283.31/111,637.66
  6. Step 6: Final answer
    x = 83,696.62

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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.