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Finding the Fourth Proportional to 117,903.69, 176,104.80 and 101,312.01

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Solution

The fourth proportional to 117,903.69, 176,104.80 and 101,312.01 is: 151,322.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,903.69 : 176,104.80 = 101,312.01 : x
  2. Step 2: Convert to fraction form
    117,903.69/176,104.80 = 101,312.01/x
  3. Step 3: Cross multiply
    117,903.69x = 176,104.80 × 101,312.01
  4. Step 4: Simplify right side
    117,903.69x = 17,841,531,258.65
  5. Step 5: Solve for x
    x = 17,841,531,258.65/117,903.69
  6. Step 6: Final answer
    x = 151,322.93

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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.