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Finding the Fourth Proportional to 249,539.76, 344,369.52 and 136,360.08

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Solution

The fourth proportional to 249,539.76, 344,369.52 and 136,360.08 is: 188,179.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,539.76 : 344,369.52 = 136,360.08 : x
  2. Step 2: Convert to fraction form
    249,539.76/344,369.52 = 136,360.08/x
  3. Step 3: Cross multiply
    249,539.76x = 344,369.52 × 136,360.08
  4. Step 4: Simplify right side
    249,539.76x = 46,958,255,296.76
  5. Step 5: Solve for x
    x = 46,958,255,296.76/249,539.76
  6. Step 6: Final answer
    x = 188,179.45

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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.