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Finding the Fourth Proportional to 265,854.51, 366,864.64 and 151,117.20

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Solution

The fourth proportional to 265,854.51, 366,864.64 and 151,117.20 is: 208,533.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,854.51 : 366,864.64 = 151,117.20 : x
  2. Step 2: Convert to fraction form
    265,854.51/366,864.64 = 151,117.20/x
  3. Step 3: Cross multiply
    265,854.51x = 366,864.64 × 151,117.20
  4. Step 4: Simplify right side
    265,854.51x = 55,439,556,798.02
  5. Step 5: Solve for x
    x = 55,439,556,798.02/265,854.51
  6. Step 6: Final answer
    x = 208,533.44

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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.