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Finding the Fourth Proportional to 157,655.28, 236,482.32 and 46,847.28

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Solution

The fourth proportional to 157,655.28, 236,482.32 and 46,847.28 is: 70,270.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,655.28 : 236,482.32 = 46,847.28 : x
  2. Step 2: Convert to fraction form
    157,655.28/236,482.32 = 46,847.28/x
  3. Step 3: Cross multiply
    157,655.28x = 236,482.32 × 46,847.28
  4. Step 4: Simplify right side
    157,655.28x = 11,078,553,460.09
  5. Step 5: Solve for x
    x = 11,078,553,460.09/157,655.28
  6. Step 6: Final answer
    x = 70,270.74

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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.