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Finding the Fourth Proportional to 315,222.63, 472,798.91 and 112,810.58

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Solution

The fourth proportional to 315,222.63, 472,798.91 and 112,810.58 is: 169,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,222.63 : 472,798.91 = 112,810.58 : x
  2. Step 2: Convert to fraction form
    315,222.63/472,798.91 = 112,810.58/x
  3. Step 3: Cross multiply
    315,222.63x = 472,798.91 × 112,810.58
  4. Step 4: Simplify right side
    315,222.63x = 53,336,716,332.42
  5. Step 5: Solve for x
    x = 53,336,716,332.42/315,222.63
  6. Step 6: Final answer
    x = 169,203.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.