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Finding the Fourth Proportional to 149,269.80, 223,904.70 and 102,030.60

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Solution

The fourth proportional to 149,269.80, 223,904.70 and 102,030.60 is: 153,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,269.80 : 223,904.70 = 102,030.60 : x
  2. Step 2: Convert to fraction form
    149,269.80/223,904.70 = 102,030.60/x
  3. Step 3: Cross multiply
    149,269.80x = 223,904.70 × 102,030.60
  4. Step 4: Simplify right side
    149,269.80x = 22,845,130,883.82
  5. Step 5: Solve for x
    x = 22,845,130,883.82/149,269.80
  6. Step 6: Final answer
    x = 153,045.90

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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.