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Finding the Fourth Proportional to 173,512, 258,809.47 and 157,566.34

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Solution

The fourth proportional to 173,512, 258,809.47 and 157,566.34 is: 235,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,512 : 258,809.47 = 157,566.34 : x
  2. Step 2: Convert to fraction form
    173,512/258,809.47 = 157,566.34/x
  3. Step 3: Cross multiply
    173,512x = 258,809.47 × 157,566.34
  4. Step 4: Simplify right side
    173,512x = 40,779,660,945.24
  5. Step 5: Solve for x
    x = 40,779,660,945.24/173,512
  6. Step 6: Final answer
    x = 235,025.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.