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Finding the Fourth Proportional to 253,460.16, 349,751.32 and 151,465.37

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Solution

The fourth proportional to 253,460.16, 349,751.32 and 151,465.37 is: 209,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,460.16 : 349,751.32 = 151,465.37 : x
  2. Step 2: Convert to fraction form
    253,460.16/349,751.32 = 151,465.37/x
  3. Step 3: Cross multiply
    253,460.16x = 349,751.32 × 151,465.37
  4. Step 4: Simplify right side
    253,460.16x = 52,975,210,964.37
  5. Step 5: Solve for x
    x = 52,975,210,964.37/253,460.16
  6. Step 6: Final answer
    x = 209,008.04

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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.