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Finding the Fourth Proportional to 107,443.60, 160,376.64 and 99,526.64

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Solution

The fourth proportional to 107,443.60, 160,376.64 and 99,526.64 is: 148,559.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,443.60 : 160,376.64 = 99,526.64 : x
  2. Step 2: Convert to fraction form
    107,443.60/160,376.64 = 99,526.64/x
  3. Step 3: Cross multiply
    107,443.60x = 160,376.64 × 99,526.64
  4. Step 4: Simplify right side
    107,443.60x = 15,961,748,113.69
  5. Step 5: Solve for x
    x = 15,961,748,113.69/107,443.60
  6. Step 6: Final answer
    x = 148,559.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.