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Finding the Fourth Proportional to 180,484.61, 249,074.62 and 103,997.84

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Solution

The fourth proportional to 180,484.61, 249,074.62 and 103,997.84 is: 143,520.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,484.61 : 249,074.62 = 103,997.84 : x
  2. Step 2: Convert to fraction form
    180,484.61/249,074.62 = 103,997.84/x
  3. Step 3: Cross multiply
    180,484.61x = 249,074.62 × 103,997.84
  4. Step 4: Simplify right side
    180,484.61x = 25,903,220,973.45
  5. Step 5: Solve for x
    x = 25,903,220,973.45/180,484.61
  6. Step 6: Final answer
    x = 143,520.38

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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.