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Finding the Fourth Proportional to 370,365.11, 555,580.47 and 104,127.93

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Solution

The fourth proportional to 370,365.11, 555,580.47 and 104,127.93 is: 156,201.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,365.11 : 555,580.47 = 104,127.93 : x
  2. Step 2: Convert to fraction form
    370,365.11/555,580.47 = 104,127.93/x
  3. Step 3: Cross multiply
    370,365.11x = 555,580.47 × 104,127.93
  4. Step 4: Simplify right side
    370,365.11x = 57,851,444,094.29
  5. Step 5: Solve for x
    x = 57,851,444,094.29/370,365.11
  6. Step 6: Final answer
    x = 156,201.12

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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.