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Finding the Fourth Proportional to 210,897.60, 316,254.24 and 63,119.04

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Solution

The fourth proportional to 210,897.60, 316,254.24 and 63,119.04 is: 94,650.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,897.60 : 316,254.24 = 63,119.04 : x
  2. Step 2: Convert to fraction form
    210,897.60/316,254.24 = 63,119.04/x
  3. Step 3: Cross multiply
    210,897.60x = 316,254.24 × 63,119.04
  4. Step 4: Simplify right side
    210,897.60x = 19,961,664,024.73
  5. Step 5: Solve for x
    x = 19,961,664,024.73/210,897.60
  6. Step 6: Final answer
    x = 94,650.98

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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.