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Finding the Fourth Proportional to 111,153.63, 153,392.01 and 60,852.63

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Solution

The fourth proportional to 111,153.63, 153,392.01 and 60,852.63 is: 83,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,153.63 : 153,392.01 = 60,852.63 : x
  2. Step 2: Convert to fraction form
    111,153.63/153,392.01 = 60,852.63/x
  3. Step 3: Cross multiply
    111,153.63x = 153,392.01 × 60,852.63
  4. Step 4: Simplify right side
    111,153.63x = 9,334,307,229.49
  5. Step 5: Solve for x
    x = 9,334,307,229.49/111,153.63
  6. Step 6: Final answer
    x = 83,976.63

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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.