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Finding the Fourth Proportional to 171,538.58, 257,332.68 and 64,893.62

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Solution

The fourth proportional to 171,538.58, 257,332.68 and 64,893.62 is: 97,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,538.58 : 257,332.68 = 64,893.62 : x
  2. Step 2: Convert to fraction form
    171,538.58/257,332.68 = 64,893.62/x
  3. Step 3: Cross multiply
    171,538.58x = 257,332.68 × 64,893.62
  4. Step 4: Simplify right side
    171,538.58x = 16,699,249,792.83
  5. Step 5: Solve for x
    x = 16,699,249,792.83/171,538.58
  6. Step 6: Final answer
    x = 97,349.82

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1.5x scale

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.