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Finding the Fourth Proportional to 268,622.51, 370,699.94 and 147,773.00

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Solution

The fourth proportional to 268,622.51, 370,699.94 and 147,773.00 is: 203,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,622.51 : 370,699.94 = 147,773.00 : x
  2. Step 2: Convert to fraction form
    268,622.51/370,699.94 = 147,773.00/x
  3. Step 3: Cross multiply
    268,622.51x = 370,699.94 × 147,773.00
  4. Step 4: Simplify right side
    268,622.51x = 54,779,439,641.26
  5. Step 5: Solve for x
    x = 54,779,439,641.26/268,622.51
  6. Step 6: Final answer
    x = 203,927.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.