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Finding the Fourth Proportional to 346,073.76, 519,107.58 and 109,416.60

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Solution

The fourth proportional to 346,073.76, 519,107.58 and 109,416.60 is: 164,123.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,073.76 : 519,107.58 = 109,416.60 : x
  2. Step 2: Convert to fraction form
    346,073.76/519,107.58 = 109,416.60/x
  3. Step 3: Cross multiply
    346,073.76x = 519,107.58 × 109,416.60
  4. Step 4: Simplify right side
    346,073.76x = 56,798,986,437.83
  5. Step 5: Solve for x
    x = 56,798,986,437.83/346,073.76
  6. Step 6: Final answer
    x = 164,123.93

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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.