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Finding the Fourth Proportional to 153,549.84, 230,345.55 and 53,686.56

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Solution

The fourth proportional to 153,549.84, 230,345.55 and 53,686.56 is: 80,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,549.84 : 230,345.55 = 53,686.56 : x
  2. Step 2: Convert to fraction form
    153,549.84/230,345.55 = 53,686.56/x
  3. Step 3: Cross multiply
    153,549.84x = 230,345.55 × 53,686.56
  4. Step 4: Simplify right side
    153,549.84x = 12,366,460,190.81
  5. Step 5: Solve for x
    x = 12,366,460,190.81/153,549.84
  6. Step 6: Final answer
    x = 80,537.11

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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.