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Finding the Fourth Proportional to 189,030.70, 265,430.30 and 189,030.70

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Solution

The fourth proportional to 189,030.70, 265,430.30 and 189,030.70 is: 265,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,030.70 : 265,430.30 = 189,030.70 : x
  2. Step 2: Convert to fraction form
    189,030.70/265,430.30 = 189,030.70/x
  3. Step 3: Cross multiply
    189,030.70x = 265,430.30 × 189,030.70
  4. Step 4: Simplify right side
    189,030.70x = 50,174,475,410.21
  5. Step 5: Solve for x
    x = 50,174,475,410.21/189,030.70
  6. Step 6: Final answer
    x = 265,430.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.