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Finding the Fourth Proportional to 249,477.78, 344,263.23 and 136,300.44

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Solution

The fourth proportional to 249,477.78, 344,263.23 and 136,300.44 is: 188,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,477.78 : 344,263.23 = 136,300.44 : x
  2. Step 2: Convert to fraction form
    249,477.78/344,263.23 = 136,300.44/x
  3. Step 3: Cross multiply
    249,477.78x = 344,263.23 × 136,300.44
  4. Step 4: Simplify right side
    249,477.78x = 46,923,229,724.82
  5. Step 5: Solve for x
    x = 46,923,229,724.82/249,477.78
  6. Step 6: Final answer
    x = 188,085.81

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1.5x scale

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.