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Finding the Fourth Proportional to 248,030.52, 342,284.52 and 134,855.68

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Solution

The fourth proportional to 248,030.52, 342,284.52 and 134,855.68 is: 186,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,030.52 : 342,284.52 = 134,855.68 : x
  2. Step 2: Convert to fraction form
    248,030.52/342,284.52 = 134,855.68/x
  3. Step 3: Cross multiply
    248,030.52x = 342,284.52 × 134,855.68
  4. Step 4: Simplify right side
    248,030.52x = 46,159,011,698.07
  5. Step 5: Solve for x
    x = 46,159,011,698.07/248,030.52
  6. Step 6: Final answer
    x = 186,102.14

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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.