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Finding the Fourth Proportional to 210,498.48, 315,475.56 and 157,492.08

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Solution

The fourth proportional to 210,498.48, 315,475.56 and 157,492.08 is: 236,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,498.48 : 315,475.56 = 157,492.08 : x
  2. Step 2: Convert to fraction form
    210,498.48/315,475.56 = 157,492.08/x
  3. Step 3: Cross multiply
    210,498.48x = 315,475.56 × 157,492.08
  4. Step 4: Simplify right side
    210,498.48x = 49,684,902,133.56
  5. Step 5: Solve for x
    x = 49,684,902,133.56/210,498.48
  6. Step 6: Final answer
    x = 236,034.49

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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.