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Finding the Fourth Proportional to 169,931.03, 254,879.98 and 51,603.39

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Solution

The fourth proportional to 169,931.03, 254,879.98 and 51,603.39 is: 77,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,931.03 : 254,879.98 = 51,603.39 : x
  2. Step 2: Convert to fraction form
    169,931.03/254,879.98 = 51,603.39/x
  3. Step 3: Cross multiply
    169,931.03x = 254,879.98 × 51,603.39
  4. Step 4: Simplify right side
    169,931.03x = 13,152,671,011.13
  5. Step 5: Solve for x
    x = 13,152,671,011.13/169,931.03
  6. Step 6: Final answer
    x = 77,400.05

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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.