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Finding the Fourth Proportional to 475,055.01, 712,606.95 and 120,072.06

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Solution

The fourth proportional to 475,055.01, 712,606.95 and 120,072.06 is: 180,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,055.01 : 712,606.95 = 120,072.06 : x
  2. Step 2: Convert to fraction form
    475,055.01/712,606.95 = 120,072.06/x
  3. Step 3: Cross multiply
    475,055.01x = 712,606.95 × 120,072.06
  4. Step 4: Simplify right side
    475,055.01x = 85,564,184,456.82
  5. Step 5: Solve for x
    x = 85,564,184,456.82/475,055.01
  6. Step 6: Final answer
    x = 180,114.27

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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.