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Finding the Fourth Proportional to 272,030.10, 408,045.15 and 146,058.90

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Solution

The fourth proportional to 272,030.10, 408,045.15 and 146,058.90 is: 219,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,030.10 : 408,045.15 = 146,058.90 : x
  2. Step 2: Convert to fraction form
    272,030.10/408,045.15 = 146,058.90/x
  3. Step 3: Cross multiply
    272,030.10x = 408,045.15 × 146,058.90
  4. Step 4: Simplify right side
    272,030.10x = 59,598,625,759.34
  5. Step 5: Solve for x
    x = 59,598,625,759.34/272,030.10
  6. Step 6: Final answer
    x = 219,088.35

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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.