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Finding the Fourth Proportional to 245,368.37, 368,052.60 and 76,888.66

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Solution

The fourth proportional to 245,368.37, 368,052.60 and 76,888.66 is: 115,333.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,368.37 : 368,052.60 = 76,888.66 : x
  2. Step 2: Convert to fraction form
    245,368.37/368,052.60 = 76,888.66/x
  3. Step 3: Cross multiply
    245,368.37x = 368,052.60 × 76,888.66
  4. Step 4: Simplify right side
    245,368.37x = 28,299,070,303.38
  5. Step 5: Solve for x
    x = 28,299,070,303.38/245,368.37
  6. Step 6: Final answer
    x = 115,333.00

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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.