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Finding the Fourth Proportional to 248,477.02, 342,888.92 and 151,842.46

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Solution

The fourth proportional to 248,477.02, 342,888.92 and 151,842.46 is: 209,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,477.02 : 342,888.92 = 151,842.46 : x
  2. Step 2: Convert to fraction form
    248,477.02/342,888.92 = 151,842.46/x
  3. Step 3: Cross multiply
    248,477.02x = 342,888.92 × 151,842.46
  4. Step 4: Simplify right side
    248,477.02x = 52,065,095,405.10
  5. Step 5: Solve for x
    x = 52,065,095,405.10/248,477.02
  6. Step 6: Final answer
    x = 209,536.87

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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.