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Finding the Fourth Proportional to 162,102.40, 223,802.40 and 104,771.68

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Solution

The fourth proportional to 162,102.40, 223,802.40 and 104,771.68 is: 144,650.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,102.40 : 223,802.40 = 104,771.68 : x
  2. Step 2: Convert to fraction form
    162,102.40/223,802.40 = 104,771.68/x
  3. Step 3: Cross multiply
    162,102.40x = 223,802.40 × 104,771.68
  4. Step 4: Simplify right side
    162,102.40x = 23,448,153,436.03
  5. Step 5: Solve for x
    x = 23,448,153,436.03/162,102.40
  6. Step 6: Final answer
    x = 144,650.25

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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.