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Finding the Fourth Proportional to 186,465.60, 257,313.60 and 101,582.40

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Solution

The fourth proportional to 186,465.60, 257,313.60 and 101,582.40 is: 140,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,465.60 : 257,313.60 = 101,582.40 : x
  2. Step 2: Convert to fraction form
    186,465.60/257,313.60 = 101,582.40/x
  3. Step 3: Cross multiply
    186,465.60x = 257,313.60 × 101,582.40
  4. Step 4: Simplify right side
    186,465.60x = 26,138,533,040.64
  5. Step 5: Solve for x
    x = 26,138,533,040.64/186,465.60
  6. Step 6: Final answer
    x = 140,178.85

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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.