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Finding the Fourth Proportional to 74,788,276.90, 112,182,415.35 and 34,477,492.90

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Solution

The fourth proportional to 74,788,276.90, 112,182,415.35 and 34,477,492.90 is: 51,716,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,788,276.90 : 112,182,415.35 = 34,477,492.90 : x
  2. Step 2: Convert to fraction form
    74,788,276.90/112,182,415.35 = 34,477,492.90/x
  3. Step 3: Cross multiply
    74,788,276.90x = 112,182,415.35 × 34,477,492.90
  4. Step 4: Simplify right side
    74,788,276.90x = 3,867,768,428,734,475.50
  5. Step 5: Solve for x
    x = 3,867,768,428,734,475.50/74,788,276.90
  6. Step 6: Final answer
    x = 51,716,239.35

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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.