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Finding the Fourth Proportional to 152,660.68, 228,897.90 and 68,405.32

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Solution

The fourth proportional to 152,660.68, 228,897.90 and 68,405.32 is: 102,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,660.68 : 228,897.90 = 68,405.32 : x
  2. Step 2: Convert to fraction form
    152,660.68/228,897.90 = 68,405.32/x
  3. Step 3: Cross multiply
    152,660.68x = 228,897.90 × 68,405.32
  4. Step 4: Simplify right side
    152,660.68x = 15,657,834,096.83
  5. Step 5: Solve for x
    x = 15,657,834,096.83/152,660.68
  6. Step 6: Final answer
    x = 102,566.25

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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.