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Finding the Fourth Proportional to 161,681.94, 242,633.88 and 56,501.01

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Solution

The fourth proportional to 161,681.94, 242,633.88 and 56,501.01 is: 84,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,681.94 : 242,633.88 = 56,501.01 : x
  2. Step 2: Convert to fraction form
    161,681.94/242,633.88 = 56,501.01/x
  3. Step 3: Cross multiply
    161,681.94x = 242,633.88 × 56,501.01
  4. Step 4: Simplify right side
    161,681.94x = 13,709,059,280.22
  5. Step 5: Solve for x
    x = 13,709,059,280.22/161,681.94
  6. Step 6: Final answer
    x = 84,790.29

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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.