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Finding the Fourth Proportional to 268,468.02, 370,482.54 and 147,608.26

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Solution

The fourth proportional to 268,468.02, 370,482.54 and 147,608.26 is: 203,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,468.02 : 370,482.54 = 147,608.26 : x
  2. Step 2: Convert to fraction form
    268,468.02/370,482.54 = 147,608.26/x
  3. Step 3: Cross multiply
    268,468.02x = 370,482.54 × 147,608.26
  4. Step 4: Simplify right side
    268,468.02x = 54,686,282,440.34
  5. Step 5: Solve for x
    x = 54,686,282,440.34/268,468.02
  6. Step 6: Final answer
    x = 203,697.57

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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.