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Finding the Fourth Proportional to 110,030.40, 151,826.40 and 62,280.90

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Solution

The fourth proportional to 110,030.40, 151,826.40 and 62,280.90 is: 85,938.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,030.40 : 151,826.40 = 62,280.90 : x
  2. Step 2: Convert to fraction form
    110,030.40/151,826.40 = 62,280.90/x
  3. Step 3: Cross multiply
    110,030.40x = 151,826.40 × 62,280.90
  4. Step 4: Simplify right side
    110,030.40x = 9,455,884,835.76
  5. Step 5: Solve for x
    x = 9,455,884,835.76/110,030.40
  6. Step 6: Final answer
    x = 85,938.84

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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.