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Finding the Fourth Proportional to 144,458.10, 216,683.10 and 65,572.20

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Solution

The fourth proportional to 144,458.10, 216,683.10 and 65,572.20 is: 98,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,458.10 : 216,683.10 = 65,572.20 : x
  2. Step 2: Convert to fraction form
    144,458.10/216,683.10 = 65,572.20/x
  3. Step 3: Cross multiply
    144,458.10x = 216,683.10 × 65,572.20
  4. Step 4: Simplify right side
    144,458.10x = 14,208,387,569.82
  5. Step 5: Solve for x
    x = 14,208,387,569.82/144,458.10
  6. Step 6: Final answer
    x = 98,356.46

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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.