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Finding the Fourth Proportional to 182,104.79, 249,967.59 and 161,511.45

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Solution

The fourth proportional to 182,104.79, 249,967.59 and 161,511.45 is: 221,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,104.79 : 249,967.59 = 161,511.45 : x
  2. Step 2: Convert to fraction form
    182,104.79/249,967.59 = 161,511.45/x
  3. Step 3: Cross multiply
    182,104.79x = 249,967.59 × 161,511.45
  4. Step 4: Simplify right side
    182,104.79x = 40,372,627,913.91
  5. Step 5: Solve for x
    x = 40,372,627,913.91/182,104.79
  6. Step 6: Final answer
    x = 221,699.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.