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Finding the Fourth Proportional to 152,476.89, 210,419.35 and 84,495.01

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Solution

The fourth proportional to 152,476.89, 210,419.35 and 84,495.01 is: 116,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,476.89 : 210,419.35 = 84,495.01 : x
  2. Step 2: Convert to fraction form
    152,476.89/210,419.35 = 84,495.01/x
  3. Step 3: Cross multiply
    152,476.89x = 210,419.35 × 84,495.01
  4. Step 4: Simplify right side
    152,476.89x = 17,779,385,082.44
  5. Step 5: Solve for x
    x = 17,779,385,082.44/152,476.89
  6. Step 6: Final answer
    x = 116,603.80

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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.