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Finding the Fourth Proportional to 336,038.76, 504,041.40 and 125,661.24

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Solution

The fourth proportional to 336,038.76, 504,041.40 and 125,661.24 is: 188,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,038.76 : 504,041.40 = 125,661.24 : x
  2. Step 2: Convert to fraction form
    336,038.76/504,041.40 = 125,661.24/x
  3. Step 3: Cross multiply
    336,038.76x = 504,041.40 × 125,661.24
  4. Step 4: Simplify right side
    336,038.76x = 63,338,467,335.34
  5. Step 5: Solve for x
    x = 63,338,467,335.34/336,038.76
  6. Step 6: Final answer
    x = 188,485.60

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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.