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Finding the Fourth Proportional to 111,527.51, 153,902.72 and 60,539.09

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Solution

The fourth proportional to 111,527.51, 153,902.72 and 60,539.09 is: 83,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,527.51 : 153,902.72 = 60,539.09 : x
  2. Step 2: Convert to fraction form
    111,527.51/153,902.72 = 60,539.09/x
  3. Step 3: Cross multiply
    111,527.51x = 153,902.72 × 60,539.09
  4. Step 4: Simplify right side
    111,527.51x = 9,317,130,314.63
  5. Step 5: Solve for x
    x = 9,317,130,314.63/111,527.51
  6. Step 6: Final answer
    x = 83,541.10

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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.