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Finding the Fourth Proportional to 228,045.45, 342,068.18 and 144,064.65

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Solution

The fourth proportional to 228,045.45, 342,068.18 and 144,064.65 is: 216,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,045.45 : 342,068.18 = 144,064.65 : x
  2. Step 2: Convert to fraction form
    228,045.45/342,068.18 = 144,064.65/x
  3. Step 3: Cross multiply
    228,045.45x = 342,068.18 × 144,064.65
  4. Step 4: Simplify right side
    228,045.45x = 49,279,931,907.51
  5. Step 5: Solve for x
    x = 49,279,931,907.51/228,045.45
  6. Step 6: Final answer
    x = 216,096.98

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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.