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Finding the Fourth Proportional to 124,967.84, 187,394.16 and 46,078.88

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Solution

The fourth proportional to 124,967.84, 187,394.16 and 46,078.88 is: 69,097.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,967.84 : 187,394.16 = 46,078.88 : x
  2. Step 2: Convert to fraction form
    124,967.84/187,394.16 = 46,078.88/x
  3. Step 3: Cross multiply
    124,967.84x = 187,394.16 × 46,078.88
  4. Step 4: Simplify right side
    124,967.84x = 8,634,913,011.34
  5. Step 5: Solve for x
    x = 8,634,913,011.34/124,967.84
  6. Step 6: Final answer
    x = 69,097.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.