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Finding the Fourth Proportional to 157,482.72, 236,154.75 and 57,616.98

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Solution

The fourth proportional to 157,482.72, 236,154.75 and 57,616.98 is: 86,400.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,482.72 : 236,154.75 = 57,616.98 : x
  2. Step 2: Convert to fraction form
    157,482.72/236,154.75 = 57,616.98/x
  3. Step 3: Cross multiply
    157,482.72x = 236,154.75 × 57,616.98
  4. Step 4: Simplify right side
    157,482.72x = 13,606,523,507.66
  5. Step 5: Solve for x
    x = 13,606,523,507.66/157,482.72
  6. Step 6: Final answer
    x = 86,400.10

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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.