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Finding the Fourth Proportional to 99,795.79, 137,484.26 and 69,526.36

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Solution

The fourth proportional to 99,795.79, 137,484.26 and 69,526.36 is: 95,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,795.79 : 137,484.26 = 69,526.36 : x
  2. Step 2: Convert to fraction form
    99,795.79/137,484.26 = 69,526.36/x
  3. Step 3: Cross multiply
    99,795.79x = 137,484.26 × 69,526.36
  4. Step 4: Simplify right side
    99,795.79x = 9,558,779,807.46
  5. Step 5: Solve for x
    x = 9,558,779,807.46/99,795.79
  6. Step 6: Final answer
    x = 95,783.40

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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.