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Finding the Fourth Proportional to 144,466.80, 216,646.32 and 49,670.16

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Solution

The fourth proportional to 144,466.80, 216,646.32 and 49,670.16 is: 74,486.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,466.80 : 216,646.32 = 49,670.16 : x
  2. Step 2: Convert to fraction form
    144,466.80/216,646.32 = 49,670.16/x
  3. Step 3: Cross multiply
    144,466.80x = 216,646.32 × 49,670.16
  4. Step 4: Simplify right side
    144,466.80x = 10,760,857,377.81
  5. Step 5: Solve for x
    x = 10,760,857,377.81/144,466.80
  6. Step 6: Final answer
    x = 74,486.72

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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.