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Finding the Fourth Proportional to 111,054.06, 153,256.95 and 60,753.06

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Solution

The fourth proportional to 111,054.06, 153,256.95 and 60,753.06 is: 83,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,054.06 : 153,256.95 = 60,753.06 : x
  2. Step 2: Convert to fraction form
    111,054.06/153,256.95 = 60,753.06/x
  3. Step 3: Cross multiply
    111,054.06x = 153,256.95 × 60,753.06
  4. Step 4: Simplify right side
    111,054.06x = 9,310,828,678.77
  5. Step 5: Solve for x
    x = 9,310,828,678.77/111,054.06
  6. Step 6: Final answer
    x = 83,840.51

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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.