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Finding the Fourth Proportional to 152,055.40, 228,079.50 and 41,247.40

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Solution

The fourth proportional to 152,055.40, 228,079.50 and 41,247.40 is: 61,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,055.40 : 228,079.50 = 41,247.40 : x
  2. Step 2: Convert to fraction form
    152,055.40/228,079.50 = 41,247.40/x
  3. Step 3: Cross multiply
    152,055.40x = 228,079.50 × 41,247.40
  4. Step 4: Simplify right side
    152,055.40x = 9,407,686,368.30
  5. Step 5: Solve for x
    x = 9,407,686,368.30/152,055.40
  6. Step 6: Final answer
    x = 61,870.12

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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.