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Finding the Fourth Proportional to 210,373.22, 315,326.04 and 160,288.16

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Solution

The fourth proportional to 210,373.22, 315,326.04 and 160,288.16 is: 240,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,373.22 : 315,326.04 = 160,288.16 : x
  2. Step 2: Convert to fraction form
    210,373.22/315,326.04 = 160,288.16/x
  3. Step 3: Cross multiply
    210,373.22x = 315,326.04 × 160,288.16
  4. Step 4: Simplify right side
    210,373.22x = 50,543,030,751.69
  5. Step 5: Solve for x
    x = 50,543,030,751.69/210,373.22
  6. Step 6: Final answer
    x = 240,254.11

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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.