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Finding the Fourth Proportional to 270,224.64, 372,871.88 and 153,941.16

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Solution

The fourth proportional to 270,224.64, 372,871.88 and 153,941.16 is: 212,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,224.64 : 372,871.88 = 153,941.16 : x
  2. Step 2: Convert to fraction form
    270,224.64/372,871.88 = 153,941.16/x
  3. Step 3: Cross multiply
    270,224.64x = 372,871.88 × 153,941.16
  4. Step 4: Simplify right side
    270,224.64x = 57,400,329,738.58
  5. Step 5: Solve for x
    x = 57,400,329,738.58/270,224.64
  6. Step 6: Final answer
    x = 212,417.08

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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.