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Finding the Fourth Proportional to 116,670.40, 175,005.60 and 109,758.40

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Solution

The fourth proportional to 116,670.40, 175,005.60 and 109,758.40 is: 164,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,670.40 : 175,005.60 = 109,758.40 : x
  2. Step 2: Convert to fraction form
    116,670.40/175,005.60 = 109,758.40/x
  3. Step 3: Cross multiply
    116,670.40x = 175,005.60 × 109,758.40
  4. Step 4: Simplify right side
    116,670.40x = 19,208,334,647.04
  5. Step 5: Solve for x
    x = 19,208,334,647.04/116,670.40
  6. Step 6: Final answer
    x = 164,637.60

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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.