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Finding the Fourth Proportional to 248,445.74, 342,827.84 and 139,527.96

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Solution

The fourth proportional to 248,445.74, 342,827.84 and 139,527.96 is: 192,533.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,445.74 : 342,827.84 = 139,527.96 : x
  2. Step 2: Convert to fraction form
    248,445.74/342,827.84 = 139,527.96/x
  3. Step 3: Cross multiply
    248,445.74x = 342,827.84 × 139,527.96
  4. Step 4: Simplify right side
    248,445.74x = 47,834,068,448.77
  5. Step 5: Solve for x
    x = 47,834,068,448.77/248,445.74
  6. Step 6: Final answer
    x = 192,533.26

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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.