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Finding the Fourth Proportional to 233,445.40, 350,168.10 and 115,347.40

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Solution

The fourth proportional to 233,445.40, 350,168.10 and 115,347.40 is: 173,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,445.40 : 350,168.10 = 115,347.40 : x
  2. Step 2: Convert to fraction form
    233,445.40/350,168.10 = 115,347.40/x
  3. Step 3: Cross multiply
    233,445.40x = 350,168.10 × 115,347.40
  4. Step 4: Simplify right side
    233,445.40x = 40,390,979,897.94
  5. Step 5: Solve for x
    x = 40,390,979,897.94/233,445.40
  6. Step 6: Final answer
    x = 173,021.10

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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.