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Finding the Fourth Proportional to 191,521.64, 286,582.61 and 112,673.00

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Solution

The fourth proportional to 191,521.64, 286,582.61 and 112,673.00 is: 168,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,521.64 : 286,582.61 = 112,673.00 : x
  2. Step 2: Convert to fraction form
    191,521.64/286,582.61 = 112,673.00/x
  3. Step 3: Cross multiply
    191,521.64x = 286,582.61 × 112,673.00
  4. Step 4: Simplify right side
    191,521.64x = 32,290,120,420.25
  5. Step 5: Solve for x
    x = 32,290,120,420.25/191,521.64
  6. Step 6: Final answer
    x = 168,597.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.