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Finding the Fourth Proportional to 171,365.64, 257,041.08 and 46,706.64

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Solution

The fourth proportional to 171,365.64, 257,041.08 and 46,706.64 is: 70,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,365.64 : 257,041.08 = 46,706.64 : x
  2. Step 2: Convert to fraction form
    171,365.64/257,041.08 = 46,706.64/x
  3. Step 3: Cross multiply
    171,365.64x = 257,041.08 × 46,706.64
  4. Step 4: Simplify right side
    171,365.64x = 12,005,525,188.77
  5. Step 5: Solve for x
    x = 12,005,525,188.77/171,365.64
  6. Step 6: Final answer
    x = 70,057.95

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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.