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Finding the Fourth Proportional to 145,521.76, 218,282.69 and 65,466.22

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Solution

The fourth proportional to 145,521.76, 218,282.69 and 65,466.22 is: 98,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,521.76 : 218,282.69 = 65,466.22 : x
  2. Step 2: Convert to fraction form
    145,521.76/218,282.69 = 65,466.22/x
  3. Step 3: Cross multiply
    145,521.76x = 218,282.69 × 65,466.22
  4. Step 4: Simplify right side
    145,521.76x = 14,290,142,769.40
  5. Step 5: Solve for x
    x = 14,290,142,769.40/145,521.76
  6. Step 6: Final answer
    x = 98,199.35

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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.