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Finding the Fourth Proportional to 58,709,681.60, 88,064,522.40 and 18,314,916.80

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Solution

The fourth proportional to 58,709,681.60, 88,064,522.40 and 18,314,916.80 is: 27,472,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,709,681.60 : 88,064,522.40 = 18,314,916.80 : x
  2. Step 2: Convert to fraction form
    58,709,681.60/88,064,522.40 = 18,314,916.80/x
  3. Step 3: Cross multiply
    58,709,681.60x = 88,064,522.40 × 18,314,916.80
  4. Step 4: Simplify right side
    58,709,681.60x = 1,612,894,400,787,736.50
  5. Step 5: Solve for x
    x = 1,612,894,400,787,736.50/58,709,681.60
  6. Step 6: Final answer
    x = 27,472,375.20

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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.