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Finding the Fourth Proportional to 176,000.39, 242,879.05 and 99,534.50

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Solution

The fourth proportional to 176,000.39, 242,879.05 and 99,534.50 is: 137,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,000.39 : 242,879.05 = 99,534.50 : x
  2. Step 2: Convert to fraction form
    176,000.39/242,879.05 = 99,534.50/x
  3. Step 3: Cross multiply
    176,000.39x = 242,879.05 × 99,534.50
  4. Step 4: Simplify right side
    176,000.39x = 24,174,844,802.23
  5. Step 5: Solve for x
    x = 24,174,844,802.23/176,000.39
  6. Step 6: Final answer
    x = 137,356.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.