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Finding the Fourth Proportional to 162,001.80, 243,261.90 and 122,603.40

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Solution

The fourth proportional to 162,001.80, 243,261.90 and 122,603.40 is: 184,101.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,001.80 : 243,261.90 = 122,603.40 : x
  2. Step 2: Convert to fraction form
    162,001.80/243,261.90 = 122,603.40/x
  3. Step 3: Cross multiply
    162,001.80x = 243,261.90 × 122,603.40
  4. Step 4: Simplify right side
    162,001.80x = 29,824,736,030.46
  5. Step 5: Solve for x
    x = 29,824,736,030.46/162,001.80
  6. Step 6: Final answer
    x = 184,101.26

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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.