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Finding the Fourth Proportional to 249,005.94, 343,627.48 and 135,827.88

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Solution

The fourth proportional to 249,005.94, 343,627.48 and 135,827.88 is: 187,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,005.94 : 343,627.48 = 135,827.88 : x
  2. Step 2: Convert to fraction form
    249,005.94/343,627.48 = 135,827.88/x
  3. Step 3: Cross multiply
    249,005.94x = 343,627.48 × 135,827.88
  4. Step 4: Simplify right side
    249,005.94x = 46,674,192,118.14
  5. Step 5: Solve for x
    x = 46,674,192,118.14/249,005.94
  6. Step 6: Final answer
    x = 187,442.08

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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.