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Finding the Fourth Proportional to 157,561.74, 236,342.88 and 46,753.74

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Solution

The fourth proportional to 157,561.74, 236,342.88 and 46,753.74 is: 70,130.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,561.74 : 236,342.88 = 46,753.74 : x
  2. Step 2: Convert to fraction form
    157,561.74/236,342.88 = 46,753.74/x
  3. Step 3: Cross multiply
    157,561.74x = 236,342.88 × 46,753.74
  4. Step 4: Simplify right side
    157,561.74x = 11,049,913,562.37
  5. Step 5: Solve for x
    x = 11,049,913,562.37/157,561.74
  6. Step 6: Final answer
    x = 70,130.69

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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.