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Finding the Fourth Proportional to 286,501.06, 429,484.48 and 96,828.80

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Solution

The fourth proportional to 286,501.06, 429,484.48 and 96,828.80 is: 145,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,501.06 : 429,484.48 = 96,828.80 : x
  2. Step 2: Convert to fraction form
    286,501.06/429,484.48 = 96,828.80/x
  3. Step 3: Cross multiply
    286,501.06x = 429,484.48 × 96,828.80
  4. Step 4: Simplify right side
    286,501.06x = 41,586,466,817.02
  5. Step 5: Solve for x
    x = 41,586,466,817.02/286,501.06
  6. Step 6: Final answer
    x = 145,152.92

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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.