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Finding the Fourth Proportional to 145,865.80, 194,125.93 and 145,865.80

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Solution

The fourth proportional to 145,865.80, 194,125.93 and 145,865.80 is: 194,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,865.80 : 194,125.93 = 145,865.80 : x
  2. Step 2: Convert to fraction form
    145,865.80/194,125.93 = 145,865.80/x
  3. Step 3: Cross multiply
    145,865.80x = 194,125.93 × 145,865.80
  4. Step 4: Simplify right side
    145,865.80x = 28,316,334,080.19
  5. Step 5: Solve for x
    x = 28,316,334,080.19/145,865.80
  6. Step 6: Final answer
    x = 194,125.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.