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Finding the Fourth Proportional to 164,055.90, 245,646.45 and 164,055.90

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Solution

The fourth proportional to 164,055.90, 245,646.45 and 164,055.90 is: 245,646.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,055.90 : 245,646.45 = 164,055.90 : x
  2. Step 2: Convert to fraction form
    164,055.90/245,646.45 = 164,055.90/x
  3. Step 3: Cross multiply
    164,055.90x = 245,646.45 × 164,055.90
  4. Step 4: Simplify right side
    164,055.90x = 40,299,749,436.56
  5. Step 5: Solve for x
    x = 40,299,749,436.56/164,055.90
  6. Step 6: Final answer
    x = 245,646.45

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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.