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Finding the Fourth Proportional to 114,598.78, 171,897.93 and 64,656.20

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Solution

The fourth proportional to 114,598.78, 171,897.93 and 64,656.20 is: 96,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,598.78 : 171,897.93 = 64,656.20 : x
  2. Step 2: Convert to fraction form
    114,598.78/171,897.93 = 64,656.20/x
  3. Step 3: Cross multiply
    114,598.78x = 171,897.93 × 64,656.20
  4. Step 4: Simplify right side
    114,598.78x = 11,114,267,371.41
  5. Step 5: Solve for x
    x = 11,114,267,371.41/114,598.78
  6. Step 6: Final answer
    x = 96,984.17

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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.