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Finding the Fourth Proportional to 144,483.99, 199,402.91 and 83,232.30

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Solution

The fourth proportional to 144,483.99, 199,402.91 and 83,232.30 is: 114,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,483.99 : 199,402.91 = 83,232.30 : x
  2. Step 2: Convert to fraction form
    144,483.99/199,402.91 = 83,232.30/x
  3. Step 3: Cross multiply
    144,483.99x = 199,402.91 × 83,232.30
  4. Step 4: Simplify right side
    144,483.99x = 16,596,762,825.99
  5. Step 5: Solve for x
    x = 16,596,762,825.99/144,483.99
  6. Step 6: Final answer
    x = 114,869.22

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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.