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Finding the Fourth Proportional to 292,660.96, 438,945.54 and 92,955.01

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Solution

The fourth proportional to 292,660.96, 438,945.54 and 92,955.01 is: 139,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,660.96 : 438,945.54 = 92,955.01 : x
  2. Step 2: Convert to fraction form
    292,660.96/438,945.54 = 92,955.01/x
  3. Step 3: Cross multiply
    292,660.96x = 438,945.54 × 92,955.01
  4. Step 4: Simplify right side
    292,660.96x = 40,802,187,060.16
  5. Step 5: Solve for x
    x = 40,802,187,060.16/292,660.96
  6. Step 6: Final answer
    x = 139,417.94

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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.