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Finding the Fourth Proportional to 265,804.72, 366,819.71 and 151,088.16

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Solution

The fourth proportional to 265,804.72, 366,819.71 and 151,088.16 is: 208,506.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,804.72 : 366,819.71 = 151,088.16 : x
  2. Step 2: Convert to fraction form
    265,804.72/366,819.71 = 151,088.16/x
  3. Step 3: Cross multiply
    265,804.72x = 366,819.71 × 151,088.16
  4. Step 4: Simplify right side
    265,804.72x = 55,422,115,655.77
  5. Step 5: Solve for x
    x = 55,422,115,655.77/265,804.72
  6. Step 6: Final answer
    x = 208,506.89

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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.