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Finding the Fourth Proportional to 358,466.48, 537,699.72 and 148,109.88

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Solution

The fourth proportional to 358,466.48, 537,699.72 and 148,109.88 is: 222,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,466.48 : 537,699.72 = 148,109.88 : x
  2. Step 2: Convert to fraction form
    358,466.48/537,699.72 = 148,109.88/x
  3. Step 3: Cross multiply
    358,466.48x = 537,699.72 × 148,109.88
  4. Step 4: Simplify right side
    358,466.48x = 79,638,641,005.23
  5. Step 5: Solve for x
    x = 79,638,641,005.23/358,466.48
  6. Step 6: Final answer
    x = 222,164.82

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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.