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Finding the Fourth Proportional to 475,996.16, 714,061.04 and 139,061.52

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Solution

The fourth proportional to 475,996.16, 714,061.04 and 139,061.52 is: 208,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,996.16 : 714,061.04 = 139,061.52 : x
  2. Step 2: Convert to fraction form
    475,996.16/714,061.04 = 139,061.52/x
  3. Step 3: Cross multiply
    475,996.16x = 714,061.04 × 139,061.52
  4. Step 4: Simplify right side
    475,996.16x = 99,298,413,595.18
  5. Step 5: Solve for x
    x = 99,298,413,595.18/475,996.16
  6. Step 6: Final answer
    x = 208,611.80

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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.