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Finding the Fourth Proportional to 161,703.60, 242,544.06 and 60,482.40

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Solution

The fourth proportional to 161,703.60, 242,544.06 and 60,482.40 is: 90,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703.60 : 242,544.06 = 60,482.40 : x
  2. Step 2: Convert to fraction form
    161,703.60/242,544.06 = 60,482.40/x
  3. Step 3: Cross multiply
    161,703.60x = 242,544.06 × 60,482.40
  4. Step 4: Simplify right side
    161,703.60x = 14,669,646,854.54
  5. Step 5: Solve for x
    x = 14,669,646,854.54/161,703.60
  6. Step 6: Final answer
    x = 90,719.36

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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.