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Finding the Fourth Proportional to 153,793.94, 212,529.02 and 110,914.16

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Solution

The fourth proportional to 153,793.94, 212,529.02 and 110,914.16 is: 153,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,793.94 : 212,529.02 = 110,914.16 : x
  2. Step 2: Convert to fraction form
    153,793.94/212,529.02 = 110,914.16/x
  3. Step 3: Cross multiply
    153,793.94x = 212,529.02 × 110,914.16
  4. Step 4: Simplify right side
    153,793.94x = 23,572,477,307.18
  5. Step 5: Solve for x
    x = 23,572,477,307.18/153,793.94
  6. Step 6: Final answer
    x = 153,273.12

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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.