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Finding the Fourth Proportional to 353,888.18, 530,130 and 167,030.90

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Solution

The fourth proportional to 353,888.18, 530,130 and 167,030.90 is: 250,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,888.18 : 530,130 = 167,030.90 : x
  2. Step 2: Convert to fraction form
    353,888.18/530,130 = 167,030.90/x
  3. Step 3: Cross multiply
    353,888.18x = 530,130 × 167,030.90
  4. Step 4: Simplify right side
    353,888.18x = 88,548,091,017
  5. Step 5: Solve for x
    x = 88,548,091,017/353,888.18
  6. Step 6: Final answer
    x = 250,214.89

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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.