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Finding the Fourth Proportional to 88,580,690.90, 132,871,036.35 and 40,804,946.90

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Solution

The fourth proportional to 88,580,690.90, 132,871,036.35 and 40,804,946.90 is: 61,207,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,580,690.90 : 132,871,036.35 = 40,804,946.90 : x
  2. Step 2: Convert to fraction form
    88,580,690.90/132,871,036.35 = 40,804,946.90/x
  3. Step 3: Cross multiply
    88,580,690.90x = 132,871,036.35 × 40,804,946.90
  4. Step 4: Simplify right side
    88,580,690.90x = 5,421,795,582,809,719
  5. Step 5: Solve for x
    x = 5,421,795,582,809,719/88,580,690.90
  6. Step 6: Final answer
    x = 61,207,420.35

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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.