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Finding the Fourth Proportional to 251,886.30, 377,501.40 and 102,003.90

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Solution

The fourth proportional to 251,886.30, 377,501.40 and 102,003.90 is: 152,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,886.30 : 377,501.40 = 102,003.90 : x
  2. Step 2: Convert to fraction form
    251,886.30/377,501.40 = 102,003.90/x
  3. Step 3: Cross multiply
    251,886.30x = 377,501.40 × 102,003.90
  4. Step 4: Simplify right side
    251,886.30x = 38,506,615,055.46
  5. Step 5: Solve for x
    x = 38,506,615,055.46/251,886.30
  6. Step 6: Final answer
    x = 152,873.00

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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.