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Finding the Fourth Proportional to 161,693.94, 242,651.88 and 56,513.02

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Solution

The fourth proportional to 161,693.94, 242,651.88 and 56,513.02 is: 84,808.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,693.94 : 242,651.88 = 56,513.02 : x
  2. Step 2: Convert to fraction form
    161,693.94/242,651.88 = 56,513.02/x
  3. Step 3: Cross multiply
    161,693.94x = 242,651.88 × 56,513.02
  4. Step 4: Simplify right side
    161,693.94x = 13,712,990,547.48
  5. Step 5: Solve for x
    x = 13,712,990,547.48/161,693.94
  6. Step 6: Final answer
    x = 84,808.31

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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.