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Finding the Fourth Proportional to 248,615.55, 373,248.54 and 147,598.02

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Solution

The fourth proportional to 248,615.55, 373,248.54 and 147,598.02 is: 221,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,615.55 : 373,248.54 = 147,598.02 : x
  2. Step 2: Convert to fraction form
    248,615.55/373,248.54 = 147,598.02/x
  3. Step 3: Cross multiply
    248,615.55x = 373,248.54 × 147,598.02
  4. Step 4: Simplify right side
    248,615.55x = 55,090,745,471.89
  5. Step 5: Solve for x
    x = 55,090,745,471.89/248,615.55
  6. Step 6: Final answer
    x = 221,590.10

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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.