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Finding the Fourth Proportional to 46,803,602.40, 70,205,403.60 and 31,498,101.60

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Solution

The fourth proportional to 46,803,602.40, 70,205,403.60 and 31,498,101.60 is: 47,247,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,803,602.40 : 70,205,403.60 = 31,498,101.60 : x
  2. Step 2: Convert to fraction form
    46,803,602.40/70,205,403.60 = 31,498,101.60/x
  3. Step 3: Cross multiply
    46,803,602.40x = 70,205,403.60 × 31,498,101.60
  4. Step 4: Simplify right side
    46,803,602.40x = 2,211,336,935,461,805.75
  5. Step 5: Solve for x
    x = 2,211,336,935,461,805.75/46,803,602.40
  6. Step 6: Final answer
    x = 47,247,152.40

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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.