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Finding the Fourth Proportional to 535,372.16, 803,177.04 and 161,368.16

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Solution

The fourth proportional to 535,372.16, 803,177.04 and 161,368.16 is: 242,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,372.16 : 803,177.04 = 161,368.16 : x
  2. Step 2: Convert to fraction form
    535,372.16/803,177.04 = 161,368.16/x
  3. Step 3: Cross multiply
    535,372.16x = 803,177.04 × 161,368.16
  4. Step 4: Simplify right side
    535,372.16x = 129,607,201,099.05
  5. Step 5: Solve for x
    x = 129,607,201,099.05/535,372.16
  6. Step 6: Final answer
    x = 242,088.05

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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.