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Finding the Fourth Proportional to 153,783.07, 230,690.90 and 65,045.55

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Solution

The fourth proportional to 153,783.07, 230,690.90 and 65,045.55 is: 97,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,783.07 : 230,690.90 = 65,045.55 : x
  2. Step 2: Convert to fraction form
    153,783.07/230,690.90 = 65,045.55/x
  3. Step 3: Cross multiply
    153,783.07x = 230,690.90 × 65,045.55
  4. Step 4: Simplify right side
    153,783.07x = 15,005,416,470.50
  5. Step 5: Solve for x
    x = 15,005,416,470.50/153,783.07
  6. Step 6: Final answer
    x = 97,575.22

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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.