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Finding the Fourth Proportional to 233,145.60, 349,768.08 and 75,368.40

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Solution

The fourth proportional to 233,145.60, 349,768.08 and 75,368.40 is: 113,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,145.60 : 349,768.08 = 75,368.40 : x
  2. Step 2: Convert to fraction form
    233,145.60/349,768.08 = 75,368.40/x
  3. Step 3: Cross multiply
    233,145.60x = 349,768.08 × 75,368.40
  4. Step 4: Simplify right side
    233,145.60x = 26,361,460,560.67
  5. Step 5: Solve for x
    x = 26,361,460,560.67/233,145.60
  6. Step 6: Final answer
    x = 113,068.66

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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.