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Finding the Fourth Proportional to 149,111.60, 223,602.60 and 49,233.20

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Solution

The fourth proportional to 149,111.60, 223,602.60 and 49,233.20 is: 73,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,111.60 : 223,602.60 = 49,233.20 : x
  2. Step 2: Convert to fraction form
    149,111.60/223,602.60 = 49,233.20/x
  3. Step 3: Cross multiply
    149,111.60x = 223,602.60 × 49,233.20
  4. Step 4: Simplify right side
    149,111.60x = 11,008,671,526.32
  5. Step 5: Solve for x
    x = 11,008,671,526.32/149,111.60
  6. Step 6: Final answer
    x = 73,828.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.