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Finding the Fourth Proportional to 286,001.06, 429,114.58 and 108,555.17

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Solution

The fourth proportional to 286,001.06, 429,114.58 and 108,555.17 is: 162,875.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,001.06 : 429,114.58 = 108,555.17 : x
  2. Step 2: Convert to fraction form
    286,001.06/429,114.58 = 108,555.17/x
  3. Step 3: Cross multiply
    286,001.06x = 429,114.58 × 108,555.17
  4. Step 4: Simplify right side
    286,001.06x = 46,582,604,035.81
  5. Step 5: Solve for x
    x = 46,582,604,035.81/286,001.06
  6. Step 6: Final answer
    x = 162,875.64

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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.