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Finding the Fourth Proportional to 249,252.58, 343,955.55 and 136,053.46

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Solution

The fourth proportional to 249,252.58, 343,955.55 and 136,053.46 is: 187,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,252.58 : 343,955.55 = 136,053.46 : x
  2. Step 2: Convert to fraction form
    249,252.58/343,955.55 = 136,053.46/x
  3. Step 3: Cross multiply
    249,252.58x = 343,955.55 × 136,053.46
  4. Step 4: Simplify right side
    249,252.58x = 46,796,342,663.70
  5. Step 5: Solve for x
    x = 46,796,342,663.70/249,252.58
  6. Step 6: Final answer
    x = 187,746.67

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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.