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Finding the Fourth Proportional to 180,570.61, 249,120.52 and 116,943.49

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Solution

The fourth proportional to 180,570.61, 249,120.52 and 116,943.49 is: 161,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,570.61 : 249,120.52 = 116,943.49 : x
  2. Step 2: Convert to fraction form
    180,570.61/249,120.52 = 116,943.49/x
  3. Step 3: Cross multiply
    180,570.61x = 249,120.52 × 116,943.49
  4. Step 4: Simplify right side
    180,570.61x = 29,133,023,039.41
  5. Step 5: Solve for x
    x = 29,133,023,039.41/180,570.61
  6. Step 6: Final answer
    x = 161,338.68

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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.