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Finding the Fourth Proportional to 210,095.16, 315,134.53 and 60,334.86

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Solution

The fourth proportional to 210,095.16, 315,134.53 and 60,334.86 is: 90,499.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,095.16 : 315,134.53 = 60,334.86 : x
  2. Step 2: Convert to fraction form
    210,095.16/315,134.53 = 60,334.86/x
  3. Step 3: Cross multiply
    210,095.16x = 315,134.53 × 60,334.86
  4. Step 4: Simplify right side
    210,095.16x = 19,013,597,748.72
  5. Step 5: Solve for x
    x = 19,013,597,748.72/210,095.16
  6. Step 6: Final answer
    x = 90,499.93

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1.5x scale

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.