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Finding the Fourth Proportional to 228,355.19, 342,565.59 and 70,595.94

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Solution

The fourth proportional to 228,355.19, 342,565.59 and 70,595.94 is: 105,904.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,355.19 : 342,565.59 = 70,595.94 : x
  2. Step 2: Convert to fraction form
    228,355.19/342,565.59 = 70,595.94/x
  3. Step 3: Cross multiply
    228,355.19x = 342,565.59 × 70,595.94
  4. Step 4: Simplify right side
    228,355.19x = 24,183,739,837.70
  5. Step 5: Solve for x
    x = 24,183,739,837.70/228,355.19
  6. Step 6: Final answer
    x = 105,904.05

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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.