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Finding the Fourth Proportional to 249,253.58, 343,956.93 and 136,054.46

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Solution

The fourth proportional to 249,253.58, 343,956.93 and 136,054.46 is: 187,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,253.58 : 343,956.93 = 136,054.46 : x
  2. Step 2: Convert to fraction form
    249,253.58/343,956.93 = 136,054.46/x
  3. Step 3: Cross multiply
    249,253.58x = 343,956.93 × 136,054.46
  4. Step 4: Simplify right side
    249,253.58x = 46,796,874,374.41
  5. Step 5: Solve for x
    x = 46,796,874,374.41/249,253.58
  6. Step 6: Final answer
    x = 187,748.05

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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.