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Finding the Fourth Proportional to 235,577.52, 325,203.12 and 155,047.32

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Solution

The fourth proportional to 235,577.52, 325,203.12 and 155,047.32 is: 214,035.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,577.52 : 325,203.12 = 155,047.32 : x
  2. Step 2: Convert to fraction form
    235,577.52/325,203.12 = 155,047.32/x
  3. Step 3: Cross multiply
    235,577.52x = 325,203.12 × 155,047.32
  4. Step 4: Simplify right side
    235,577.52x = 50,421,872,211.64
  5. Step 5: Solve for x
    x = 50,421,872,211.64/235,577.52
  6. Step 6: Final answer
    x = 214,035.16

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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.