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Finding the Fourth Proportional to 169,897.38, 254,878.20 and 56,051.70

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Solution

The fourth proportional to 169,897.38, 254,878.20 and 56,051.70 is: 84,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,897.38 : 254,878.20 = 56,051.70 : x
  2. Step 2: Convert to fraction form
    169,897.38/254,878.20 = 56,051.70/x
  3. Step 3: Cross multiply
    169,897.38x = 254,878.20 × 56,051.70
  4. Step 4: Simplify right side
    169,897.38x = 14,286,356,402.94
  5. Step 5: Solve for x
    x = 14,286,356,402.94/169,897.38
  6. Step 6: Final answer
    x = 84,088.15

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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.