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Finding the Fourth Proportional to 144,404.10, 216,602.10 and 65,518.20

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Solution

The fourth proportional to 144,404.10, 216,602.10 and 65,518.20 is: 98,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,404.10 : 216,602.10 = 65,518.20 : x
  2. Step 2: Convert to fraction form
    144,404.10/216,602.10 = 65,518.20/x
  3. Step 3: Cross multiply
    144,404.10x = 216,602.10 × 65,518.20
  4. Step 4: Simplify right side
    144,404.10x = 14,191,379,708.22
  5. Step 5: Solve for x
    x = 14,191,379,708.22/144,404.10
  6. Step 6: Final answer
    x = 98,275.46

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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.