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Finding the Fourth Proportional to 117,907.70, 176,110.76 and 101,316.02

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Solution

The fourth proportional to 117,907.70, 176,110.76 and 101,316.02 is: 151,328.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,907.70 : 176,110.76 = 101,316.02 : x
  2. Step 2: Convert to fraction form
    117,907.70/176,110.76 = 101,316.02/x
  3. Step 3: Cross multiply
    117,907.70x = 176,110.76 × 101,316.02
  4. Step 4: Simplify right side
    117,907.70x = 17,842,841,282.38
  5. Step 5: Solve for x
    x = 17,842,841,282.38/117,907.70
  6. Step 6: Final answer
    x = 151,328.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.