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Finding the Fourth Proportional to 72,304.95, 99,817.08 and 45,462.24

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Solution

The fourth proportional to 72,304.95, 99,817.08 and 45,462.24 is: 62,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,304.95 : 99,817.08 = 45,462.24 : x
  2. Step 2: Convert to fraction form
    72,304.95/99,817.08 = 45,462.24/x
  3. Step 3: Cross multiply
    72,304.95x = 99,817.08 × 45,462.24
  4. Step 4: Simplify right side
    72,304.95x = 4,537,908,047.06
  5. Step 5: Solve for x
    x = 4,537,908,047.06/72,304.95
  6. Step 6: Final answer
    x = 62,760.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.