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Finding the Fourth Proportional to 180,524.40, 249,126.78 and 98,859.84

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Solution

The fourth proportional to 180,524.40, 249,126.78 and 98,859.84 is: 136,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,524.40 : 249,126.78 = 98,859.84 : x
  2. Step 2: Convert to fraction form
    180,524.40/249,126.78 = 98,859.84/x
  3. Step 3: Cross multiply
    180,524.40x = 249,126.78 × 98,859.84
  4. Step 4: Simplify right side
    180,524.40x = 24,628,633,610.52
  5. Step 5: Solve for x
    x = 24,628,633,610.52/180,524.40
  6. Step 6: Final answer
    x = 136,428.28

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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.