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Finding the Fourth Proportional to 93,312,205.80, 139,968,308.70 and 59,048,039.40

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Solution

The fourth proportional to 93,312,205.80, 139,968,308.70 and 59,048,039.40 is: 88,572,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,205.80 : 139,968,308.70 = 59,048,039.40 : x
  2. Step 2: Convert to fraction form
    93,312,205.80/139,968,308.70 = 59,048,039.40/x
  3. Step 3: Cross multiply
    93,312,205.80x = 139,968,308.70 × 59,048,039.40
  4. Step 4: Simplify right side
    93,312,205.80x = 8,264,854,206,868,962
  5. Step 5: Solve for x
    x = 8,264,854,206,868,962/93,312,205.80
  6. Step 6: Final answer
    x = 88,572,059.10

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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.