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Finding the Fourth Proportional to 163,656.94, 245,457.50 and 45,300.56

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Solution

The fourth proportional to 163,656.94, 245,457.50 and 45,300.56 is: 67,943.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,656.94 : 245,457.50 = 45,300.56 : x
  2. Step 2: Convert to fraction form
    163,656.94/245,457.50 = 45,300.56/x
  3. Step 3: Cross multiply
    163,656.94x = 245,457.50 × 45,300.56
  4. Step 4: Simplify right side
    163,656.94x = 11,119,362,206.20
  5. Step 5: Solve for x
    x = 11,119,362,206.20/163,656.94
  6. Step 6: Final answer
    x = 67,943.11

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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.