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Finding the Fourth Proportional to 176,019.81, 242,907.03 and 98,495.52

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Solution

The fourth proportional to 176,019.81, 242,907.03 and 98,495.52 is: 135,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,019.81 : 242,907.03 = 98,495.52 : x
  2. Step 2: Convert to fraction form
    176,019.81/242,907.03 = 98,495.52/x
  3. Step 3: Cross multiply
    176,019.81x = 242,907.03 × 98,495.52
  4. Step 4: Simplify right side
    176,019.81x = 23,925,254,231.51
  5. Step 5: Solve for x
    x = 23,925,254,231.51/176,019.81
  6. Step 6: Final answer
    x = 135,923.65

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Why These Related Problems?

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