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Finding the Fourth Proportional to 111,225.95, 153,491.05 and 60,237.53

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Solution

The fourth proportional to 111,225.95, 153,491.05 and 60,237.53 is: 83,127.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,225.95 : 153,491.05 = 60,237.53 : x
  2. Step 2: Convert to fraction form
    111,225.95/153,491.05 = 60,237.53/x
  3. Step 3: Cross multiply
    111,225.95x = 153,491.05 × 60,237.53
  4. Step 4: Simplify right side
    111,225.95x = 9,245,921,729.11
  5. Step 5: Solve for x
    x = 9,245,921,729.11/111,225.95
  6. Step 6: Final answer
    x = 83,127.38

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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.